#153C60#153C60

#153C60 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.077 H 249.5°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#153C60
RGB	rgb(21, 60, 96)
HSL	hsl(209, 64%, 23%)
HSV	hsv(209, 78%, 38%)
CMYK	cmyk(78.1%, 37.5%, 0%, 62.4%)
CIE-LAB	lab(24.43, 0.15, -25.29)
CIE-LCH	lch(24.43, 25.29, 270.33°)
OKLab	oklab(34.8% -0.0269 -0.0719)
OKLCH	oklch(34.8% 0.077 249.5)
XYZ	xyz(4.0356, 4.2352, 11.6689)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C60 #603915

analogous

#15605E #153C60 #151660

triadic

#153C60 #60153C #3C6015

tetradic

#153C60 #5E1560 #603915 #166015

square

#153C60 #5E1560 #603915 #166015

split-complementary

#153C60 #601516 #605E15

monochromatic

#051019 #0A1D2E #153C60 #205B92 #2B7BC4

Accessibility & contrast

On white

11.37

#153C60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153C60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C60

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C60	#FFFFFF	#000000	##FFFFFF
##153C60	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3E62

Deuteranopia (green-blind)

#21375F

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153c60;
/* rgb */ color: rgb(21, 60, 96);
/* oklch */ color: oklch(34.8% 0.077 249.5);

Tailwind

colors: {
  custom: {
    50: '#5e718d',
    500: '#153c60',
    950: '#000000',
  },
}

SCSS

$custom: #153c60;
$custom-light: #5e718d;
$custom-dark: #000000;

JSON

{
  "hex": "#153c60",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 96
  },
  "hsl": {
    "h": 208.8,
    "s": 64.103,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34802,
    "c": 0.07672,
    "h": 249.5
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#153C60

secondary

#97673A

accent

#9141E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153C60

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

Preview Lab → · Contrast checker → · Palette generator →