#153E56#153E56

#153E56 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.062 H 238.0°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#153E56
RGB	rgb(21, 62, 86)
HSL	hsl(202, 61%, 21%)
HSV	hsv(202, 76%, 34%)
CMYK	cmyk(75.6%, 27.9%, 0%, 66.3%)
CIE-LAB	lab(24.56, -5.22, -18.56)
CIE-LCH	lch(24.56, 19.28, 254.28°)
OKLab	oklab(34.73% -0.0326 -0.0523)
OKLCH	oklch(34.73% 0.062 238)
XYZ	xyz(3.7109, 4.2762, 9.4321)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E56 #562D15

analogous

#15564D #153E56 #151D56

triadic

#153E56 #56153E #3E5615

tetradic

#153E56 #4D1556 #562D15 #1D5615

square

#153E56 #4D1556 #562D15 #1D5615

split-complementary

#153E56 #56151D #564D15

monochromatic

#061219 #091B25 #153E56 #216187 #2D85B8

Accessibility & contrast

On white

11.32

#153E56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153E56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E56

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E56	#FFFFFF	#000000	##FFFFFF
##153E56	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E57

Deuteranopia (green-blind)

#2A3856

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153e56;
/* rgb */ color: rgb(21, 62, 86);
/* oklch */ color: oklch(34.7% 0.062 238.0);

Tailwind

colors: {
  custom: {
    50: '#5c7385',
    500: '#153e56',
    950: '#000000',
  },
}

SCSS

$custom: #153e56;
$custom-light: #5c7385;
$custom-dark: #000000;

JSON

{
  "hex": "#153e56",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 86
  },
  "hsl": {
    "h": 202.154,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34725,
    "c": 0.06159,
    "h": 238
  },
  "luminance": 0.04277
}

Semantic roles & 50–950 ramp

primary

#153E56

secondary

#8E5839

accent

#7F44E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #153E56

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

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