#10273D#10273D

#10273D is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.051 H 249.3°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#10273D
RGB	rgb(16, 39, 61)
HSL	hsl(209, 58%, 15%)
HSV	hsv(209, 74%, 24%)
CMYK	cmyk(73.8%, 36.1%, 0%, 76.1%)
CIE-LAB	lab(14.94, -0.56, -16.74)
CIE-LCH	lch(14.94, 16.75, 268.08°)
OKLab	oklab(26.62% -0.0178 -0.0473)
OKLCH	oklch(26.62% 0.051 249.3)
XYZ	xyz(1.7812, 1.8979, 4.6864)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10273D #3D2610

analogous

#103D3C #10273D #10113D

triadic

#10273D #3D1027 #273D10

tetradic

#10273D #3C103D #3D2610 #113D10

square

#10273D #3C103D #3D2610 #113D10

split-complementary

#10273D #3D1011 #3D3C10

monochromatic

#060F18 #060F18 #10273D #1D466D #29659E

Accessibility & contrast

On white

15.22

#10273D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#10273D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10273D

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10273D	#FFFFFF	#000000	##FFFFFF
##10273D	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283E

Deuteranopia (green-blind)

#17243D

Tritanopia (blue-blind)

#002C2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10273d;
/* rgb */ color: rgb(16, 39, 61);
/* oklch */ color: oklch(26.6% 0.051 249.3);

Tailwind

colors: {
  custom: {
    50: '#546072',
    500: '#10273d',
    950: '#000000',
  },
}

SCSS

$custom: #10273d;
$custom-light: #546072;
$custom-dark: #000000;

JSON

{
  "hex": "#10273d",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 61
  },
  "hsl": {
    "h": 209.333,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26617,
    "c": 0.05057,
    "h": 249.3
  },
  "luminance": 0.01898
}

Semantic roles & 50–950 ramp

primary

#10273D

secondary

#775432

accent

#9246E2

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030508

muted

#78797B

Preview Lab

Preview with #10273D

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

Preview Lab → · Contrast checker → · Palette generator →