#10234D#10234D

#10234D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.8% C 0.082 H 263.5°. Best body text is #FFFFFF at 15.33:1 contrast (WCAG AA passes).

Color values

HEX	#10234D
RGB	rgb(16, 35, 77)
HSL	hsl(221, 66%, 18%)
HSV	hsv(221, 79%, 30%)
CMYK	cmyk(79.2%, 54.5%, 0%, 69.8%)
CIE-LAB	lab(14.67, 9.30, -28.24)
CIE-LCH	lch(14.67, 29.73, 288.24°)
OKLab	oklab(26.76% -0.0092 -0.0811)
OKLCH	oklch(26.76% 0.082 263.5)
XYZ	xyz(2.1538, 1.8478, 7.2629)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10234D #4D3A10

analogous

#10414D #10234D #1B104D

triadic

#10234D #4D1023 #234D10

tetradic

#10234D #4D1041 #4D3A10 #104D1B

square

#10234D #4D1041 #4D3A10 #104D1B

split-complementary

#10234D #4D1B10 #414D10

monochromatic

#050C19 #050C1A #10234D #1B3A80 #2551B2

Accessibility & contrast

On white

15.33

#10234D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#10234D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10234D

15.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10234D	#FFFFFF	#000000	##FFFFFF
##10234D	1.00	15.33	1.37	15.33
#FFFFFF	15.33	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B284F

Deuteranopia (green-blind)

#00224C

Tritanopia (blue-blind)

#002D34

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #10234d;
/* rgb */ color: rgb(16, 35, 77);
/* oklch */ color: oklch(26.8% 0.082 263.5);

Tailwind

colors: {
  custom: {
    50: '#585d7f',
    500: '#10234d',
    950: '#000000',
  },
}

SCSS

$custom: #10234d;
$custom-light: #585d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#10234d",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 77
  },
  "hsl": {
    "h": 221.311,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.26758,
    "c": 0.0816,
    "h": 263.5
  },
  "luminance": 0.01848
}

Semantic roles & 50–950 ramp

primary

#10234D

secondary

#876C32

accent

#B43FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10234D

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

Preview Lab → · Contrast checker → · Palette generator →