#153F74#153F74

#153F74 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.9% C 0.102 H 256.1°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#153F74
RGB	rgb(21, 63, 116)
HSL	hsl(213, 69%, 27%)
HSV	hsv(213, 82%, 45%)
CMYK	cmyk(81.9%, 45.7%, 0%, 54.5%)
CIE-LAB	lab(26.66, 6.38, -34.57)
CIE-LCH	lch(26.66, 35.15, 280.46°)
OKLab	oklab(36.95% -0.0246 -0.099)
OKLCH	oklch(36.95% 0.102 256.1)
XYZ	xyz(5.2380, 4.9748, 17.2038)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F74 #744A15

analogous

#156F74 #153F74 #1B1574

triadic

#153F74 #74153F #3F7415

tetradic

#153F74 #74156F #744A15 #15741B

square

#153F74 #74156F #744A15 #15741B

split-complementary

#153F74 #741B15 #6F7415

monochromatic

#050E1A #0C2340 #153F74 #1E5BA8 #2B78D9

Accessibility & contrast

On white

10.53

#153F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#153F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F74

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F74	#FFFFFF	#000000	##FFFFFF
##153F74	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244476

Deuteranopia (green-blind)

#113B73

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153f74;
/* rgb */ color: rgb(21, 63, 116);
/* oklch */ color: oklch(36.9% 0.102 256.1);

Tailwind

colors: {
  custom: {
    50: '#63739c',
    500: '#153f74',
    950: '#000000',
  },
}

SCSS

$custom: #153f74;
$custom-light: #63739c;
$custom-dark: #000000;

JSON

{
  "hex": "#153f74",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 116
  },
  "hsl": {
    "h": 213.474,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36948,
    "c": 0.10205,
    "h": 256.1
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#153F74

secondary

#AA793B

accent

#9E3CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #153F74

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

Preview Lab → · Contrast checker → · Palette generator →