#10204E#10204E

#10204E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.1% C 0.088 H 266.0°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#10204E
RGB	rgb(16, 32, 78)
HSL	hsl(225, 66%, 18%)
HSV	hsv(225, 79%, 31%)
CMYK	cmyk(79.5%, 59%, 0%, 69.4%)
CIE-LAB	lab(13.79, 12.02, -30.34)
CIE-LCH	lch(13.79, 32.64, 291.62°)
OKLab	oklab(26.11% -0.0061 -0.0873)
OKLCH	oklch(26.11% 0.088 266)
XYZ	xyz(2.1049, 1.6930, 7.4221)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10204E #4E3E10

analogous

#103F4E #10204E #1F104E

triadic

#10204E #4E1020 #204E10

tetradic

#10204E #4E103F #4E3E10 #104E1F

square

#10204E #4E103F #4E3E10 #104E1F

split-complementary

#10204E #4E1F10 #3F4E10

monochromatic

#050A19 #060B1B #10204E #1A3581 #254AB4

Accessibility & contrast

On white

15.69

#10204E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#10204E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10204E

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10204E	#FFFFFF	#000000	##FFFFFF
##10204E	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012650

Deuteranopia (green-blind)

#00204D

Tritanopia (blue-blind)

#002B33

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #10204e;
/* rgb */ color: rgb(16, 32, 78);
/* oklch */ color: oklch(26.1% 0.088 266.0);

Tailwind

colors: {
  custom: {
    50: '#585b80',
    500: '#10204e',
    950: '#000000',
  },
}

SCSS

$custom: #10204e;
$custom-light: #585b80;
$custom-dark: #000000;

JSON

{
  "hex": "#10204e",
  "rgb": {
    "r": 16,
    "g": 32,
    "b": 78
  },
  "hsl": {
    "h": 224.516,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.26114,
    "c": 0.08756,
    "h": 266
  },
  "luminance": 0.01693
}

Semantic roles & 50–950 ramp

primary

#10204E

secondary

#887232

accent

#BD3FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10204E

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

Preview Lab → · Contrast checker → · Palette generator →