#10313F#10313F

#10313F is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.6% C 0.046 H 229.2°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#10313F
RGB	rgb(16, 49, 63)
HSL	hsl(198, 59%, 15%)
HSV	hsv(198, 75%, 25%)
CMYK	cmyk(74.6%, 22.2%, 0%, 75.3%)
CIE-LAB	lab(18.65, -6.67, -12.35)
CIE-LCH	lch(18.65, 14.04, 241.62°)
OKLab	oklab(29.59% -0.0299 -0.0345)
OKLCH	oklch(29.59% 0.046 229.2)
XYZ	xyz(2.2088, 2.6654, 5.0997)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10313F #3F1E10

analogous

#103F35 #10313F #10193F

triadic

#10313F #3F1031 #313F10

tetradic

#10313F #35103F #3F1E10 #193F10

square

#10313F #35103F #3F1E10 #193F10

split-complementary

#10313F #3F1019 #3F3510

monochromatic

#061318 #061318 #10313F #1C5770 #297DA1

Accessibility & contrast

On white

13.70

#10313F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#10313F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10313F

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10313F	#FFFFFF	#000000	##FFFFFF
##10313F	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3040

Deuteranopia (green-blind)

#232B3F

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #10313f;
/* rgb */ color: rgb(16, 49, 63);
/* oklch */ color: oklch(29.6% 0.046 229.2);

Tailwind

colors: {
  custom: {
    50: '#556974',
    500: '#10313f',
    950: '#000000',
  },
}

SCSS

$custom: #10313f;
$custom-light: #556974;
$custom-dark: #000000;

JSON

{
  "hex": "#10313f",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 197.872,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.29591,
    "c": 0.04567,
    "h": 229.2
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#10313F

secondary

#794732

accent

#7445E3

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #10313F

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

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