#153E63#153E63

#153E63 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.079 H 249.1°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#153E63
RGB	rgb(21, 62, 99)
HSL	hsl(208, 65%, 24%)
HSV	hsv(208, 79%, 39%)
CMYK	cmyk(78.8%, 37.4%, 0%, 61.2%)
CIE-LAB	lab(25.28, 0.02, -25.90)
CIE-LCH	lch(25.28, 25.90, 270.04°)
OKLab	oklab(35.52% -0.0281 -0.0736)
OKLCH	oklch(35.52% 0.079 249.1)
XYZ	xyz(4.2832, 4.5050, 12.4458)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E63 #633A15

analogous

#156361 #153E63 #151763

triadic

#153E63 #63153E #3E6315

tetradic

#153E63 #611563 #633A15 #176315

square

#153E63 #611563 #633A15 #176315

split-complementary

#153E63 #631517 #636115

monochromatic

#051019 #0A1E31 #153E63 #205E95 #2A7DC8

Accessibility & contrast

On white

11.05

#153E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#153E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E63

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E63	#FFFFFF	#000000	##FFFFFF
##153E63	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4065

Deuteranopia (green-blind)

#223962

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153e63;
/* rgb */ color: rgb(21, 62, 99);
/* oklch */ color: oklch(35.5% 0.079 249.1);

Tailwind

colors: {
  custom: {
    50: '#5f738f',
    500: '#153e63',
    950: '#000000',
  },
}

SCSS

$custom: #153e63;
$custom-light: #5f738f;
$custom-dark: #000000;

JSON

{
  "hex": "#153e63",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 99
  },
  "hsl": {
    "h": 208.462,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.3552,
    "c": 0.07879,
    "h": 249.1
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary

#153E63

secondary

#9A673A

accent

#9040E8

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #153E63

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

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