#153D6E#153D6E

#153D6E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.096 H 255.4°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#153D6E
RGB	rgb(21, 61, 110)
HSL	hsl(213, 68%, 26%)
HSV	hsv(213, 81%, 43%)
CMYK	cmyk(80.9%, 44.5%, 0%, 56.9%)
CIE-LAB	lab(25.63, 5.27, -32.40)
CIE-LCH	lch(25.63, 32.83, 279.23°)
OKLab	oklab(36.02% -0.0241 -0.0927)
OKLCH	oklch(36.02% 0.096 255.4)
XYZ	xyz(4.7914, 4.6221, 15.3885)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D6E #6E4615

analogous

#15696E #153D6E #1A156E

triadic

#153D6E #6E153D #3D6E15

tetradic

#153D6E #6E1569 #6E4615 #156E1A

square

#153D6E #6E1569 #6E4615 #156E1A

split-complementary

#153D6E #6E1A15 #696E15

monochromatic

#050E1A #0B213B #153D6E #1F59A1 #2976D5

Accessibility & contrast

On white

10.91

#153D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#153D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D6E

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D6E	#FFFFFF	#000000	##FFFFFF
##153D6E	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254170

Deuteranopia (green-blind)

#15396D

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153d6e;
/* rgb */ color: rgb(21, 61, 110);
/* oklch */ color: oklch(36.0% 0.096 255.4);

Tailwind

colors: {
  custom: {
    50: '#617298',
    500: '#153d6e',
    950: '#000000',
  },
}

SCSS

$custom: #153d6e;
$custom-light: #617298;
$custom-dark: #000000;

JSON

{
  "hex": "#153d6e",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 110
  },
  "hsl": {
    "h": 213.034,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36018,
    "c": 0.0958,
    "h": 255.4
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#153D6E

secondary

#A4753A

accent

#9D3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153D6E

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

Preview Lab → · Contrast checker → · Palette generator →