#10313E#10313E

#10313E is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.5% C 0.045 H 227.3°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#10313E
RGB	rgb(16, 49, 62)
HSL	hsl(197, 59%, 15%)
HSV	hsv(197, 74%, 24%)
CMYK	cmyk(74.2%, 21%, 0%, 75.7%)
CIE-LAB	lab(18.60, -7.06, -11.74)
CIE-LCH	lch(18.60, 13.70, 238.96°)
OKLab	oklab(29.54% -0.0303 -0.0328)
OKLCH	oklch(29.54% 0.045 227.3)
XYZ	xyz(2.1812, 2.6544, 4.9539)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10313E #3E1D10

analogous

#103E34 #10313E #101A3E

triadic

#10313E #3E1031 #313E10

tetradic

#10313E #34103E #3E1D10 #1A3E10

square

#10313E #34103E #3E1D10 #1A3E10

split-complementary

#10313E #3E101A #3E3410

monochromatic

#061318 #061318 #10313E #1D576F #297E9F

Accessibility & contrast

On white

13.72

#10313E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#10313E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10313E

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10313E	#FFFFFF	#000000	##FFFFFF
##10313E	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303F

Deuteranopia (green-blind)

#242B3E

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #10313e;
/* rgb */ color: rgb(16, 49, 62);
/* oklch */ color: oklch(29.5% 0.045 227.3);

Tailwind

colors: {
  custom: {
    50: '#556973',
    500: '#10313e',
    950: '#000000',
  },
}

SCSS

$custom: #10313e;
$custom-light: #556973;
$custom-dark: #000000;

JSON

{
  "hex": "#10313e",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 196.957,
    "s": 58.974,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29536,
    "c": 0.04466,
    "h": 227.3
  },
  "luminance": 0.02655
}

Semantic roles & 50–950 ramp

primary

#10313E

secondary

#784632

accent

#7246E2

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #10313E

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

Preview Lab → · Contrast checker → · Palette generator →