#10285E#10285E

#10285E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.101 H 263.4°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#10285E
RGB	rgb(16, 40, 94)
HSL	hsl(222, 71%, 22%)
HSV	hsv(222, 83%, 37%)
CMYK	cmyk(83%, 57.4%, 0%, 63.1%)
CIE-LAB	lab(17.62, 12.94, -34.89)
CIE-LCH	lch(17.62, 37.21, 290.35°)
OKLab	oklab(29.44% -0.0116 -0.1006)
OKLCH	oklch(29.44% 0.101 263.4)
XYZ	xyz(2.9921, 2.4356, 10.8999)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10285E #5E4610

analogous

#104F5E #10285E #1F105E

triadic

#10285E #5E1028 #285E10

tetradic

#10285E #5E104F #5E4610 #105E1F

square

#10285E #5E104F #5E4610 #105E1F

split-complementary

#10285E #5E1F10 #4F5E10

monochromatic

#040B1A #07122A #10285E #193E92 #2255C7

Accessibility & contrast

On white

14.12

#10285E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#10285E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10285E

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10285E	#FFFFFF	#000000	##FFFFFF
##10285E	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012F60

Deuteranopia (green-blind)

#00285D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #10285e;
/* rgb */ color: rgb(16, 40, 94);
/* oklch */ color: oklch(29.4% 0.101 263.4);

Tailwind

colors: {
  custom: {
    50: '#5c618c',
    500: '#10285e',
    950: '#000000',
  },
}

SCSS

$custom: #10285e;
$custom-light: #5c618c;
$custom-dark: #000000;

JSON

{
  "hex": "#10285e",
  "rgb": {
    "r": 16,
    "g": 40,
    "b": 94
  },
  "hsl": {
    "h": 221.538,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.29442,
    "c": 0.10123,
    "h": 263.4
  },
  "luminance": 0.02436
}

Semantic roles & 50–950 ramp

primary

#10285E

secondary

#977833

accent

#B63AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #10285E

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

Preview Lab → · Contrast checker → · Palette generator →