#10234A#10234A

#10234A is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.5% C 0.077 H 262.8°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#10234A
RGB	rgb(16, 35, 74)
HSL	hsl(220, 64%, 18%)
HSV	hsv(220, 78%, 29%)
CMYK	cmyk(78.4%, 52.7%, 0%, 71%)
CIE-LAB	lab(14.44, 7.99, -26.55)
CIE-LCH	lch(14.44, 27.73, 286.76°)
OKLab	oklab(26.51% -0.0097 -0.0761)
OKLCH	oklch(26.51% 0.077 262.8)
XYZ	xyz(2.0503, 1.8064, 6.7179)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10234A #4A3710

analogous

#10404A #10234A #1A104A

triadic

#10234A #4A1023 #234A10

tetradic

#10234A #4A1040 #4A3710 #104A1A

square

#10234A #4A1040 #4A3710 #104A1A

split-complementary

#10234A #4A1A10 #404A10

monochromatic

#050C19 #050C19 #10234A #1B3B7C #2653AF

Accessibility & contrast

On white

15.43

#10234A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#10234A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10234A

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10234A	#FFFFFF	#000000	##FFFFFF
##10234A	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E274B

Deuteranopia (green-blind)

#022249

Tritanopia (blue-blind)

#002C32

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #10234a;
/* rgb */ color: rgb(16, 35, 74);
/* oklch */ color: oklch(26.5% 0.077 262.8);

Tailwind

colors: {
  custom: {
    50: '#575d7d',
    500: '#10234a',
    950: '#000000',
  },
}

SCSS

$custom: #10234a;
$custom-light: #575d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10234a",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 74
  },
  "hsl": {
    "h": 220.345,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.26508,
    "c": 0.07674,
    "h": 262.8
  },
  "luminance": 0.01807
}

Semantic roles & 50–950 ramp

primary

#10234A

secondary

#846932

accent

#B140E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #10234A

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

Preview Lab → · Contrast checker → · Palette generator →