#154D81#154D81

#154D81 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.104 H 250.7°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#154D81
RGB	rgb(21, 77, 129)
HSL	hsl(209, 72%, 29%)
HSV	hsv(209, 84%, 51%)
CMYK	cmyk(83.7%, 40.3%, 0%, 49.4%)
CIE-LAB	lab(31.92, 2.26, -34.31)
CIE-LCH	lch(31.92, 34.38, 273.76°)
OKLab	oklab(41.31% -0.0342 -0.098)
OKLCH	oklch(41.31% 0.104 250.7)
XYZ	xyz(6.9241, 7.0513, 21.7607)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154D81 #814915

analogous

#15817F #154D81 #151781

triadic

#154D81 #81154D #4D8115

tetradic

#154D81 #7F1581 #814915 #178115

square

#154D81 #7F1581 #814915 #178115

split-complementary

#154D81 #811517 #817F15

monochromatic

#04101A #0C2E4C #154D81 #1E6CB6 #338BDE

Accessibility & contrast

On white

8.71

#154D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#154D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154D81

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154D81	#FFFFFF	#000000	##FFFFFF
##154D81	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345083

Deuteranopia (green-blind)

#234780

Tritanopia (blue-blind)

#005960

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #154d81;
/* rgb */ color: rgb(21, 77, 129);
/* oklch */ color: oklch(41.3% 0.104 250.7);

Tailwind

colors: {
  custom: {
    50: '#667ea6',
    500: '#154d81',
    950: '#000000',
  },
}

SCSS

$custom: #154d81;
$custom-light: #667ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#154d81",
  "rgb": {
    "r": 21,
    "g": 77,
    "b": 129
  },
  "hsl": {
    "h": 208.889,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41312,
    "c": 0.10379,
    "h": 250.7
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#154D81

secondary

#B6773C

accent

#9139EF

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #154D81

Body copy rendered with the generated semantic roles for this colour.

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