#10316D#10316D

#10316D is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.9% C 0.112 H 261.2°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#10316D
RGB	rgb(16, 49, 109)
HSL	hsl(219, 74%, 25%)
HSV	hsv(219, 85%, 43%)
CMYK	cmyk(85.3%, 55%, 0%, 57.3%)
CIE-LAB	lab(21.62, 12.80, -38.23)
CIE-LCH	lch(21.62, 40.31, 288.51°)
OKLab	oklab(32.86% -0.0171 -0.1102)
OKLCH	oklch(32.86% 0.112 261.2)
XYZ	xyz(4.0713, 3.4104, 14.9087)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10316D #6D4C10

analogous

#10606D #10316D #1E106D

triadic

#10316D #6D1031 #316D10

tetradic

#10316D #6D1060 #6D4C10 #106D1E

square

#10316D #6D1060 #6D4C10 #106D1E

split-complementary

#10316D #6D1E10 #606D10

monochromatic

#040C1B #081938 #10316D #1849A2 #2061D8

Accessibility & contrast

On white

12.48

#10316D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#10316D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10316D

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10316D	#FFFFFF	#000000	##FFFFFF
##10316D	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06386F

Deuteranopia (green-blind)

#00306C

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #10316d;
/* rgb */ color: rgb(16, 49, 109);
/* oklch */ color: oklch(32.9% 0.112 261.2);

Tailwind

colors: {
  custom: {
    50: '#606897',
    500: '#10316d',
    950: '#000000',
  },
}

SCSS

$custom: #10316d;
$custom-light: #606897;
$custom-dark: #000000;

JSON

{
  "hex": "#10316d",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 109
  },
  "hsl": {
    "h": 218.71,
    "s": 74.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.32861,
    "c": 0.1115,
    "h": 261.2
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#10316D

secondary

#A57D34

accent

#AF37F1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #10316D

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

Preview Lab → · Contrast checker → · Palette generator →