#153C4E#153C4E

#153C4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.054 H 231.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#153C4E
RGB	rgb(21, 60, 78)
HSL	hsl(199, 58%, 19%)
HSV	hsv(199, 73%, 31%)
CMYK	cmyk(73.1%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(23.48, -7.04, -14.98)
CIE-LCH	lch(23.48, 16.55, 244.82°)
OKLab	oklab(33.73% -0.0335 -0.042)
OKLCH	oklch(33.73% 0.054 231.4)
XYZ	xyz(3.2997, 3.9409, 7.7930)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C4E #4E2715

analogous

#154E44 #153C4E #15204E

triadic

#153C4E #4E153C #3C4E15

tetradic

#153C4E #44154E #4E2715 #204E15

square

#153C4E #44154E #4E2715 #204E15

split-complementary

#153C4E #4E1520 #4E4415

monochromatic

#061318 #08171E #153C4E #22617E #2F86AE

Accessibility & contrast

On white

11.74

#153C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#153C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C4E

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C4E	#FFFFFF	#000000	##FFFFFF
##153C4E	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2B354E

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153c4e;
/* rgb */ color: rgb(21, 60, 78);
/* oklch */ color: oklch(33.7% 0.054 231.4);

Tailwind

colors: {
  custom: {
    50: '#5a717f',
    500: '#153c4e',
    950: '#000000',
  },
}

SCSS

$custom: #153c4e;
$custom-light: #5a717f;
$custom-dark: #000000;

JSON

{
  "hex": "#153c4e",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 198.947,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.33728,
    "c": 0.05368,
    "h": 231.4
  },
  "luminance": 0.03941
}

Semantic roles & 50–950 ramp

primary

#153C4E

secondary

#865139

accent

#7847E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153C4E

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

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