#15313D#15313D

#15313D is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.7% C 0.040 H 228.3°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#15313D
RGB	rgb(21, 49, 61)
HSL	hsl(198, 49%, 16%)
HSV	hsv(198, 66%, 24%)
CMYK	cmyk(65.6%, 19.7%, 0%, 76.1%)
CIE-LAB	lab(18.77, -6.31, -10.78)
CIE-LCH	lch(18.77, 12.49, 239.66°)
OKLab	oklab(29.71% -0.0267 -0.03)
OKLCH	oklch(29.71% 0.04 228.3)
XYZ	xyz(2.2496, 2.6928, 4.8152)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15313D #3D2115

analogous

#153D35 #15313D #151D3D

triadic

#15313D #3D1531 #313D15

tetradic

#15313D #35153D #3D2115 #1D3D15

square

#15313D #35153D #3D2115 #1D3D15

split-complementary

#15313D #3D151D #3D3515

monochromatic

#081217 #081217 #15313D #25566B #347A98

Accessibility & contrast

On white

13.65

#15313D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#15313D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15313D

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15313D	#FFFFFF	#000000	##FFFFFF
##15313D	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B303E

Deuteranopia (green-blind)

#252C3D

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15313d;
/* rgb */ color: rgb(21, 49, 61);
/* oklch */ color: oklch(29.7% 0.040 228.3);

Tailwind

colors: {
  custom: {
    50: '#576972',
    500: '#15313d',
    950: '#000000',
  },
}

SCSS

$custom: #15313d;
$custom-light: #576972;
$custom-dark: #000000;

JSON

{
  "hex": "#15313d",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 198,
    "s": 48.78,
    "l": 16.078
  },
  "oklch": {
    "l": 0.29713,
    "c": 0.0402,
    "h": 228.3
  },
  "luminance": 0.02693
}

Semantic roles & 50–950 ramp

primary

#15313D

secondary

#754B39

accent

#794FD8

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #15313D

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

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