#124D6A

Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.076 235.3), rgb(18, 77, 106).

Aa

White text reads best on this color (9.14:1).

About this color

#124D6A is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.14:1.

Hue familyBlues
Lightnessdark (40%)
Chromamoderately saturated (0.076)
Temperaturecool
Nearest nameDark Grey Blue (#29465B)
Black text2.29:1
White text9.14:1

Values

HEX#124D6A
RGBrgb(18, 77, 106)
HSLhsl(200, 71%, 24%)
OKLCHoklch(39.8% 0.076 235.3)

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 #124D6A 9.14:1 AAA Lc -95.1 Preferred for body text
Black text on #124D6A 2.29:1 Fails Lc 13.2 Not readable
#124D6A text on white 9.14:1 AAA Lc 90.7 Preferred for body text
#124D6A text on black 2.29:1 Fails Lc -11.6 Not readable

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 900.

  1. Step 50

    50

    #F1F6FA

    oklch(97.1% 0.008 241.7)

  2. Step 100

    100

    #E0ECF3

    oklch(93.6% 0.016 233)

  3. Step 200

    200

    #C6DDEB

    oklch(88.5% 0.031 234.5)

  4. Step 300

    300

    #9EC7E1

    oklch(80.9% 0.057 236.2)

  5. Step 400

    400

    #65AAD1

    oklch(70.7% 0.09 234.8)

  6. Step 500

    500

    #3194C5

    oklch(63.2% 0.115 234.8)

  7. Step 600

    600

    #007DAE

    oklch(55.7% 0.118 234.9)

  8. Step 700

    700

    #006993

    oklch(49.2% 0.104 234.9)

  9. Step 800

    800

    #005679

    oklch(42.8% 0.09 234.7)

  10. Step 900

    900 (this color)

    #124D6A

    oklch(39.8% 0.076 235.3)

  11. Step 950

    950

    #0A2A3A

    oklch(27% 0.047 234.3)

Export this scale for Tailwind in the Tailwind colors tool

#124D6A 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)#3F4D6B0.046
Deuteranopia (no green cones)#33446A0.038
Tritanopia (no blue cones)#0055570.048
Achromatopsia (no color)#4848480.076

Harmonies

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

Complementary

The opposite hue (180°).

  • #124D6A

    #124D6A

    oklch(39.8% 0.076 235.3)

  • #663B1B

    #663B1B

    oklch(39.8% 0.076 55)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #124D6A

    #124D6A

    oklch(39.8% 0.076 235.3)

  • #005159

    #005159

    oklch(39.7% 0.068 206.3)

  • #334670

    #334670

    oklch(39.9% 0.075 264.7)

Open the analogous palette in the generator

Split complementary

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

  • #124D6A

    #124D6A

    oklch(39.8% 0.076 235.3)

  • #6A3632

    #6A3632

    oklch(39.9% 0.075 25.6)

  • #5A430B

    #5A430B

    oklch(39.8% 0.076 84.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #124D6A

    #124D6A

    oklch(39.8% 0.076 235.3)

  • #673549

    #673549

    oklch(39.9% 0.076 355.7)

  • #464C16

    #464C16

    oklch(39.9% 0.076 115.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #124D6A

    #124D6A

    oklch(39.8% 0.076 235.3)

  • #5C385D

    #5C385D

    oklch(39.8% 0.076 325.9)

  • #663B1B

    #663B1B

    oklch(39.8% 0.076 55)

  • #2A522D

    #2A522D

    oklch(39.9% 0.076 145.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #124D6A, closest first.

Similar named colors

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

Use #124D6A 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.