#10285F#10285F

#10285F is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.5% C 0.103 H 263.6°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#10285F
RGB	rgb(16, 40, 95)
HSL	hsl(222, 71%, 22%)
HSV	hsv(222, 83%, 37%)
CMYK	cmyk(83.2%, 57.9%, 0%, 62.7%)
CIE-LAB	lab(17.71, 13.38, -35.42)
CIE-LCH	lch(17.71, 37.86, 290.69°)
OKLab	oklab(29.53% -0.0115 -0.1021)
OKLCH	oklch(29.53% 0.103 263.6)
XYZ	xyz(3.0373, 2.4536, 11.1378)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10285F #5F4710

analogous

#10505F #10285F #20105F

triadic

#10285F #5F1028 #285F10

tetradic

#10285F #5F1050 #5F4710 #105F20

square

#10285F #5F1050 #5F4710 #105F20

split-complementary

#10285F #5F2010 #505F10

monochromatic

#040B1A #07122B #10285F #193E93 #2254C8

Accessibility & contrast

On white

14.09

#10285F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#10285F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10285F

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10285F	#FFFFFF	#000000	##FFFFFF
##10285F	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F61

Deuteranopia (green-blind)

#00285E

Tritanopia (blue-blind)

#00353F

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #10285f;
/* rgb */ color: rgb(16, 40, 95);
/* oklch */ color: oklch(29.5% 0.103 263.6);

Tailwind

colors: {
  custom: {
    50: '#5d618d',
    500: '#10285f',
    950: '#000000',
  },
}

SCSS

$custom: #10285f;
$custom-light: #5d618d;
$custom-dark: #000000;

JSON

{
  "hex": "#10285f",
  "rgb": {
    "r": 16,
    "g": 40,
    "b": 95
  },
  "hsl": {
    "h": 221.772,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29531,
    "c": 0.10277,
    "h": 263.6
  },
  "luminance": 0.02454
}

Semantic roles & 50–950 ramp

primary

#10285F

secondary

#987933

accent

#B73AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #10285F

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

Preview Lab → · Contrast checker → · Palette generator →