#C9EBEE

Closest named color: Diamond (#B9F2FF). oklch(91.7% 0.036 203.1), rgb(201, 235, 238).

Aa

Black text reads best on this color (16.60:1).

About this color

#C9EBEE is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.036 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.028 away. Black text reads best on it, at 16.60:1.

Hue familyTeals and cyans
Lightnessvery light (92%)
Chromamuted (0.036)
Temperaturecool
Nearest nameDiamond (#B9F2FF)
Black text16.60:1
White text1.26:1

Values

HEX#C9EBEE
RGBrgb(201, 235, 238)
HSLhsl(185, 52%, 86%)
OKLCHoklch(91.7% 0.036 203.1)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #C9EBEE 1.26:1 Fails Lc -15.2 Dividers and decoration only
Black text on #C9EBEE 16.60:1 AAA Lc 90.5 Preferred for body text
#C9EBEE text on white 1.26:1 Fails Lc 13.1 Not readable
#C9EBEE text on black 16.60:1 AAA Lc -90.8 Preferred for body text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 100.

  1. Step 50

    50

    #F1F7F7

    oklch(97.2% 0.006 197.1)

  2. Step 100

    100 (this color)

    #C9EBEE

    oklch(91.7% 0.036 203.1)

  3. Step 200

    200

    #C7DEE1

    oklch(88.4% 0.025 206.2)

  4. Step 300

    300

    #9FCACE

    oklch(81% 0.046 203.3)

  5. Step 400

    400

    #66AEB5

    oklch(70.6% 0.073 203.7)

  6. Step 500

    500

    #309AA3

    oklch(63.1% 0.094 203.3)

  7. Step 600

    600

    #00838C

    oklch(55.6% 0.095 203.3)

  8. Step 700

    700

    #006E76

    oklch(49.1% 0.084 203.6)

  9. Step 800

    800

    #005A61

    oklch(42.6% 0.073 204)

  10. Step 900

    900

    #084B50

    oklch(37.7% 0.061 202.9)

  11. Step 950

    950

    #0A2C2F

    oklch(27% 0.039 203.4)

Export this scale for Tailwind in the Tailwind colors tool

#C9EBEE with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#E6E8EE0.037
Deuteranopia (no green cones)#DFE2EE0.034
Tritanopia (no blue cones)#BEEEEC0.015
Achromatopsia (no color)#E5E5E50.036

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #C9EBEE

    #C9EBEE

    oklch(91.7% 0.036 203.1)

  • #FBDBD8

    #FBDBD8

    oklch(91.7% 0.036 24.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C9EBEE

    #C9EBEE

    oklch(91.7% 0.036 203.1)

  • #CCECE1

    #CCECE1

    oklch(91.7% 0.037 172.7)

  • #CDE8F8

    #CDE8F8

    oklch(91.6% 0.036 233.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #C9EBEE

    #C9EBEE

    oklch(91.7% 0.036 203.1)

  • #F8DAE5

    #F8DAE5

    oklch(91.6% 0.036 353.7)

  • #F8DECE

    #F8DECE

    oklch(91.8% 0.036 53.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C9EBEE

    #C9EBEE

    oklch(91.7% 0.036 203.1)

  • #F0DCF2

    #F0DCF2

    oklch(91.7% 0.036 323.1)

  • #EFE2C9

    #EFE2C9

    oklch(91.7% 0.036 83.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C9EBEE

    #C9EBEE

    oklch(91.7% 0.036 203.1)

  • #E4E0FA

    #E4E0FA

    oklch(91.8% 0.035 292.8)

  • #FBDBD8

    #FBDBD8

    oklch(91.7% 0.036 24.2)

  • #E3E6CC

    #E3E6CC

    oklch(91.6% 0.035 112.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C9EBEE, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #C9EBEE in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.