#153D74#153D74

#153D74 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.5% C 0.105 H 257.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#153D74
RGB	rgb(21, 61, 116)
HSL	hsl(215, 69%, 27%)
HSV	hsv(215, 82%, 45%)
CMYK	cmyk(81.9%, 47.4%, 0%, 54.5%)
CIE-LAB	lab(26.03, 7.78, -35.58)
CIE-LCH	lch(26.03, 36.42, 282.33°)
OKLab	oklab(36.46% -0.0228 -0.1021)
OKLCH	oklch(36.46% 0.105 257.4)
XYZ	xyz(5.1292, 4.7573, 17.1675)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D74 #744C15

analogous

#156D74 #153D74 #1D1574

triadic

#153D74 #74153D #3D7415

tetradic

#153D74 #74156D #744C15 #15741D

square

#153D74 #74156D #744C15 #15741D

split-complementary

#153D74 #741D15 #6D7415

monochromatic

#050E1A #0C2240 #153D74 #1E58A8 #2B74D9

Accessibility & contrast

On white

10.76

#153D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#153D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D74

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D74	#FFFFFF	#000000	##FFFFFF
##153D74	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204276

Deuteranopia (green-blind)

#0A3A73

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153d74;
/* rgb */ color: rgb(21, 61, 116);
/* oklch */ color: oklch(36.5% 0.105 257.4);

Tailwind

colors: {
  custom: {
    50: '#63729c',
    500: '#153d74',
    950: '#000000',
  },
}

SCSS

$custom: #153d74;
$custom-light: #63729c;
$custom-dark: #000000;

JSON

{
  "hex": "#153d74",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 116
  },
  "hsl": {
    "h": 214.737,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36459,
    "c": 0.10457,
    "h": 257.4
  },
  "luminance": 0.04758
}

Semantic roles & 50–950 ramp

primary

#153D74

secondary

#AA7B3B

accent

#A23CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153D74

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

Preview Lab → · Contrast checker → · Palette generator →