#153B4E#153B4E

#153B4E is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.054 H 233.5°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#153B4E
RGB	rgb(21, 59, 78)
HSL	hsl(200, 58%, 19%)
HSV	hsv(200, 73%, 31%)
CMYK	cmyk(73.1%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(23.13, -6.39, -15.52)
CIE-LCH	lch(23.13, 16.78, 247.61°)
OKLab	oklab(33.45% -0.0322 -0.0435)
OKLCH	oklch(33.45% 0.054 233.5)
XYZ	xyz(3.2478, 3.8371, 7.7757)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B4E #4E2815

analogous

#154E45 #153B4E #151F4E

triadic

#153B4E #4E153B #3B4E15

tetradic

#153B4E #45154E #4E2815 #1F4E15

square

#153B4E #45154E #4E2815 #1F4E15

split-complementary

#153B4E #4E151F #4E4515

monochromatic

#061218 #08171E #153B4E #225F7E #2F84AE

Accessibility & contrast

On white

11.88

#153B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#153B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B4E

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B4E	#FFFFFF	#000000	##FFFFFF
##153B4E	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4F

Deuteranopia (green-blind)

#2A354E

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #153b4e;
/* rgb */ color: rgb(21, 59, 78);
/* oklch */ color: oklch(33.5% 0.054 233.5);

Tailwind

colors: {
  custom: {
    50: '#5a707f',
    500: '#153b4e',
    950: '#000000',
  },
}

SCSS

$custom: #153b4e;
$custom-light: #5a707f;
$custom-dark: #000000;

JSON

{
  "hex": "#153b4e",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 200,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.3345,
    "c": 0.05417,
    "h": 233.5
  },
  "luminance": 0.03837
}

Semantic roles & 50–950 ramp

primary

#153B4E

secondary

#865339

accent

#7A47E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153B4E

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

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