#10204C#10204C

#10204C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 25.9% C 0.084 H 265.7°. Best body text is #FFFFFF at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#10204C
RGB	rgb(16, 32, 76)
HSL	hsl(224, 65%, 18%)
HSV	hsv(224, 79%, 30%)
CMYK	cmyk(78.9%, 57.9%, 0%, 70.2%)
CIE-LAB	lab(13.62, 11.15, -29.24)
CIE-LCH	lch(13.62, 31.30, 290.87°)
OKLab	oklab(25.94% -0.0063 -0.0841)
OKLCH	oklch(25.94% 0.084 265.7)
XYZ	xyz(2.0342, 1.6648, 7.0502)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10204C #4C3C10

analogous

#103E4C #10204C #1E104C

triadic

#10204C #4C1020 #204C10

tetradic

#10204C #4C103E #4C3C10 #104C1E

square

#10204C #4C103E #4C3C10 #104C1E

split-complementary

#10204C #4C1E10 #3E4C10

monochromatic

#050B19 #050B19 #10204C #1B357F #254BB1

Accessibility & contrast

On white

15.75

#10204C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#10204C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10204C

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10204C	#FFFFFF	#000000	##FFFFFF
##10204C	1.00	15.75	1.33	15.75
#FFFFFF	15.75	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04264E

Deuteranopia (green-blind)

#00204B

Tritanopia (blue-blind)

#002B32

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #10204c;
/* rgb */ color: rgb(16, 32, 76);
/* oklch */ color: oklch(25.9% 0.084 265.7);

Tailwind

colors: {
  custom: {
    50: '#585a7e',
    500: '#10204c',
    950: '#000000',
  },
}

SCSS

$custom: #10204c;
$custom-light: #585a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#10204c",
  "rgb": {
    "r": 16,
    "g": 32,
    "b": 76
  },
  "hsl": {
    "h": 224,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25935,
    "c": 0.08435,
    "h": 265.7
  },
  "luminance": 0.01665
}

Semantic roles & 50–950 ramp

primary

#10204C

secondary

#866F32

accent

#BB40E8

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10204C

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

Preview Lab → · Contrast checker → · Palette generator →