#154D67

Closest named color: Dark Grey Blue (#29465B). oklch(39.7% 0.071 233.1), rgb(21, 77, 103).

Aa

White text reads best on this color (9.17:1).

About this color

#154D67 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 9.17:1.

Hue familyBlues
Lightnessdark (40%)
Chromamoderately saturated (0.071)
Temperaturecool
Nearest nameDark Grey Blue (#29465B)
Black text2.28:1
White text9.17:1

Values

HEX#154D67
RGBrgb(21, 77, 103)
HSLhsl(199, 66%, 24%)
OKLCHoklch(39.7% 0.071 233.1)

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 #154D67 9.17:1 AAA Lc -95.2 Preferred for body text
Black text on #154D67 2.28:1 Fails Lc 13.1 Not readable
#154D67 text on white 9.17:1 AAA Lc 90.8 Preferred for body text
#154D67 text on black 2.28:1 Fails Lc -11.5 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

    #F1F6F9

    oklch(97% 0.007 233.6)

  2. Step 100

    100

    #E0ECF3

    oklch(93.6% 0.016 233)

  3. Step 200

    200

    #C7DDEA

    oklch(88.5% 0.03 233.6)

  4. Step 300

    300

    #9FC7DE

    oklch(80.9% 0.054 233.5)

  5. Step 400

    400

    #67AACD

    oklch(70.7% 0.085 232.5)

  6. Step 500

    500

    #3694C1

    oklch(63.1% 0.11 233.3)

  7. Step 600

    600

    #007DAB

    oklch(55.5% 0.115 233.2)

  8. Step 700

    700

    #006991

    oklch(49% 0.102 233.6)

  9. Step 800

    800

    #005677

    oklch(42.6% 0.088 233.1)

  10. Step 900

    900 (this color)

    #154D67

    oklch(39.7% 0.071 233.1)

  11. Step 950

    950

    #0B2A39

    oklch(27% 0.045 233.1)

Export this scale for Tailwind in the Tailwind colors tool

#154D67 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)#404C680.045
Deuteranopia (no green cones)#3544670.039
Tritanopia (no blue cones)#0054560.043
Achromatopsia (no color)#4848480.071

Harmonies

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

Complementary

The opposite hue (180°).

  • #154D67

    #154D67

    oklch(39.7% 0.071 233.1)

  • #653B20

    #653B20

    oklch(39.7% 0.072 52)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #154D67

    #154D67

    oklch(39.7% 0.071 233.1)

  • #005157

    #005157

    oklch(39.6% 0.068 203.4)

  • #32466D

    #32466D

    oklch(39.6% 0.071 262.9)

Open the analogous palette in the generator

Split complementary

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

  • #154D67

    #154D67

    oklch(39.7% 0.071 233.1)

  • #683635

    #683635

    oklch(39.6% 0.072 22)

  • #594312

    #594312

    oklch(39.7% 0.071 83.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #154D67

    #154D67

    oklch(39.7% 0.071 233.1)

  • #64364A

    #64364A

    oklch(39.7% 0.071 353.3)

  • #474B19

    #474B19

    oklch(39.8% 0.071 113.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #154D67

    #154D67

    oklch(39.7% 0.071 233.1)

  • #59395D

    #59395D

    oklch(39.6% 0.071 322.9)

  • #653B20

    #653B20

    oklch(39.7% 0.072 52)

  • #2E512D

    #2E512D

    oklch(39.8% 0.072 143.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #154D67, closest first.

Similar named colors

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

Use #154D67 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.