#154F81#154F81

#154F81 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.102 H 249.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#154F81
RGB	rgb(21, 79, 129)
HSL	hsl(208, 72%, 29%)
HSV	hsv(208, 84%, 51%)
CMYK	cmyk(83.7%, 38.8%, 0%, 49.4%)
CIE-LAB	lab(32.56, 0.94, -33.30)
CIE-LCH	lch(32.56, 33.31, 271.61°)
OKLab	oklab(41.81% -0.0361 -0.095)
OKLCH	oklch(41.81% 0.102 249.2)
XYZ	xyz(7.0662, 7.3355, 21.8081)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154F81 #814715

analogous

#15817D #154F81 #151981

triadic

#154F81 #81154F #4F8115

tetradic

#154F81 #7D1581 #814715 #198115

square

#154F81 #7D1581 #814715 #198115

split-complementary

#154F81 #811519 #817D15

monochromatic

#04101A #0C2F4C #154F81 #1E6FB6 #338FDE

Accessibility & contrast

On white

8.51

#154F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#154F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154F81

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154F81	#FFFFFF	#000000	##FFFFFF
##154F81	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375283

Deuteranopia (green-blind)

#274880

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #154f81;
/* rgb */ color: rgb(21, 79, 129);
/* oklch */ color: oklch(41.8% 0.102 249.2);

Tailwind

colors: {
  custom: {
    50: '#667fa6',
    500: '#154f81',
    950: '#000000',
  },
}

SCSS

$custom: #154f81;
$custom-light: #667fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#154f81",
  "rgb": {
    "r": 21,
    "g": 79,
    "b": 129
  },
  "hsl": {
    "h": 207.778,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.4181,
    "c": 0.10159,
    "h": 249.2
  },
  "luminance": 0.07336
}

Semantic roles & 50–950 ramp

primary

#154F81

secondary

#B6743C

accent

#8D39EF

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #154F81

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

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