#10234C#10234C

#10234C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.080 H 263.3°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#10234C
RGB	rgb(16, 35, 76)
HSL	hsl(221, 65%, 18%)
HSV	hsv(221, 79%, 30%)
CMYK	cmyk(78.9%, 53.9%, 0%, 70.2%)
CIE-LAB	lab(14.59, 8.87, -27.68)
CIE-LCH	lch(14.59, 29.06, 287.76°)
OKLab	oklab(26.67% -0.0093 -0.0794)
OKLCH	oklch(26.67% 0.08 263.3)
XYZ	xyz(2.1188, 1.8338, 7.0784)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10234C #4C3910

analogous

#10414C #10234C #1B104C

triadic

#10234C #4C1023 #234C10

tetradic

#10234C #4C1041 #4C3910 #104C1B

square

#10234C #4C1041 #4C3910 #104C1B

split-complementary

#10234C #4C1B10 #414C10

monochromatic

#050C19 #050C19 #10234C #1B3A7F #2552B1

Accessibility & contrast

On white

15.36

#10234C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#10234C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10234C

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10234C	#FFFFFF	#000000	##FFFFFF
##10234C	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C284E

Deuteranopia (green-blind)

#00224B

Tritanopia (blue-blind)

#002D33

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #10234c;
/* rgb */ color: rgb(16, 35, 76);
/* oklch */ color: oklch(26.7% 0.080 263.3);

Tailwind

colors: {
  custom: {
    50: '#585d7e',
    500: '#10234c',
    950: '#000000',
  },
}

SCSS

$custom: #10234c;
$custom-light: #585d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#10234c",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 76
  },
  "hsl": {
    "h": 221,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.26674,
    "c": 0.07999,
    "h": 263.3
  },
  "luminance": 0.01834
}

Semantic roles & 50–950 ramp

primary

#10234C

secondary

#866B32

accent

#B340E8

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10234C

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

Preview Lab → · Contrast checker → · Palette generator →