#10368D#10368D

#10368D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.151 H 263.2°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#10368D
RGB	rgb(16, 54, 141)
HSL	hsl(222, 80%, 31%)
HSV	hsv(222, 89%, 55%)
CMYK	cmyk(88.7%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(25.78, 22.70, -51.67)
CIE-LCH	lch(25.78, 56.44, 293.71°)
OKLab	oklab(36.84% -0.0179 -0.1496)
OKLCH	oklch(36.84% 0.151 263.2)
XYZ	xyz(6.3388, 4.6708, 25.7616)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10368D #8D6710

analogous

#10748D #10368D #28108D

triadic

#10368D #8D1036 #368D10

tetradic

#10368D #8D1074 #8D6710 #108D28

square

#10368D #8D1074 #8D6710 #108D28

split-complementary

#10368D #8D2810 #748D10

monochromatic

#040C1F #0A2156 #10368D #164BC4 #3068E7

Accessibility & contrast

On white

10.86

#10368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#10368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10368D

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10368D	#FFFFFF	#000000	##FFFFFF
##10368D	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #10368d;
/* rgb */ color: rgb(16, 54, 141);
/* oklch */ color: oklch(36.8% 0.151 263.2);

Tailwind

colors: {
  custom: {
    50: '#696caf',
    500: '#10368d',
    950: '#000000',
  },
}

SCSS

$custom: #10368d;
$custom-light: #696caf;
$custom-dark: #000000;

JSON

{
  "hex": "#10368d",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 221.76,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36842,
    "c": 0.15065,
    "h": 263.2
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#10368D

secondary

#C29837

accent

#BA32F6

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #10368D

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

Preview Lab → · Contrast checker → · Palette generator →