#10283C#10283C

#10283C is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.8% C 0.048 H 246.0°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#10283C
RGB	rgb(16, 40, 60)
HSL	hsl(207, 58%, 15%)
HSV	hsv(207, 73%, 24%)
CMYK	cmyk(73.3%, 33.3%, 0%, 76.5%)
CIE-LAB	lab(15.24, -1.69, -15.57)
CIE-LCH	lch(15.24, 15.66, 263.79°)
OKLab	oklab(26.83% -0.0195 -0.0439)
OKLCH	oklch(26.83% 0.048 246)
XYZ	xyz(1.7878, 1.9538, 4.5570)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10283C #3C2410

analogous

#103C3A #10283C #10123C

triadic

#10283C #3C1028 #283C10

tetradic

#10283C #3A103C #3C2410 #123C10

square

#10283C #3A103C #3C2410 #123C10

split-complementary

#10283C #3C1012 #3C3A10

monochromatic

#061018 #061018 #10283C #1D486C #2A689D

Accessibility & contrast

On white

15.10

#10283C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#10283C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10283C

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10283C	#FFFFFF	#000000	##FFFFFF
##10283C	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F293D

Deuteranopia (green-blind)

#19243C

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #10283c;
/* rgb */ color: rgb(16, 40, 60);
/* oklch */ color: oklch(26.8% 0.048 246.0);

Tailwind

colors: {
  custom: {
    50: '#546171',
    500: '#10283c',
    950: '#000000',
  },
}

SCSS

$custom: #10283c;
$custom-light: #546171;
$custom-dark: #000000;

JSON

{
  "hex": "#10283c",
  "rgb": {
    "r": 16,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 207.273,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.26835,
    "c": 0.04804,
    "h": 246
  },
  "luminance": 0.01954
}

Semantic roles & 50–950 ramp

primary

#10283C

secondary

#765132

accent

#8D47E1

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030507

muted

#78797A

Preview Lab

Preview with #10283C

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

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