#153A60#153A60

#153A60 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.3% C 0.079 H 251.7°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#153A60
RGB	rgb(21, 58, 96)
HSL	hsl(210, 64%, 23%)
HSV	hsv(210, 78%, 38%)
CMYK	cmyk(78.1%, 39.6%, 0%, 62.4%)
CIE-LAB	lab(23.77, 1.52, -26.34)
CIE-LCH	lch(23.77, 26.38, 273.30°)
OKLab	oklab(34.28% -0.0247 -0.075)
OKLCH	oklch(34.28% 0.079 251.7)
XYZ	xyz(3.9328, 4.0296, 11.6346)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A60 #603B15

analogous

#155F60 #153A60 #151560

triadic

#153A60 #60153A #3A6015

tetradic

#153A60 #60155F #603B15 #156015

square

#153A60 #60155F #603B15 #156015

split-complementary

#153A60 #601515 #5F6015

monochromatic

#050F19 #0A1C2E #153A60 #205892 #2B77C4

Accessibility & contrast

On white

11.63

#153A60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#153A60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A60

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A60	#FFFFFF	#000000	##FFFFFF
##153A60	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293C62

Deuteranopia (green-blind)

#1D355F

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153a60;
/* rgb */ color: rgb(21, 58, 96);
/* oklch */ color: oklch(34.3% 0.079 251.7);

Tailwind

colors: {
  custom: {
    50: '#5e6f8d',
    500: '#153a60',
    950: '#000000',
  },
}

SCSS

$custom: #153a60;
$custom-light: #5e6f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#153a60",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 96
  },
  "hsl": {
    "h": 210.4,
    "s": 64.103,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34281,
    "c": 0.07896,
    "h": 251.7
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#153A60

secondary

#97693A

accent

#9541E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153A60

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

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