#10233F#10233F

#10233F is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.7% C 0.059 H 258.0°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#10233F
RGB	rgb(16, 35, 63)
HSL	hsl(216, 59%, 15%)
HSV	hsv(216, 75%, 25%)
CMYK	cmyk(74.6%, 44.4%, 0%, 75.3%)
CIE-LAB	lab(13.66, 3.23, -20.17)
CIE-LCH	lch(13.66, 20.43, 279.10°)
OKLab	oklab(25.65% -0.0122 -0.0574)
OKLCH	oklch(25.65% 0.059 258)
XYZ	xyz(1.7116, 1.6709, 4.9340)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10233F #3F2C10

analogous

#103A3F #10233F #14103F

triadic

#10233F #3F1023 #233F10

tetradic

#10233F #3F103A #3F2C10 #103F14

square

#10233F #3F103A #3F2C10 #103F14

split-complementary

#10233F #3F1410 #3A3F10

monochromatic

#060E18 #060E18 #10233F #1C3E70 #2959A1

Accessibility & contrast

On white

15.74

#10233F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#10233F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10233F

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10233F	#FFFFFF	#000000	##FFFFFF
##10233F	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172540

Deuteranopia (green-blind)

#10213E

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #10233f;
/* rgb */ color: rgb(16, 35, 63);
/* oklch */ color: oklch(25.7% 0.059 258.0);

Tailwind

colors: {
  custom: {
    50: '#545d74',
    500: '#10233f',
    950: '#000000',
  },
}

SCSS

$custom: #10233f;
$custom-light: #545d74;
$custom-dark: #000000;

JSON

{
  "hex": "#10233f",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 63
  },
  "hsl": {
    "h": 215.745,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25653,
    "c": 0.05866,
    "h": 258
  },
  "luminance": 0.01671
}

Semantic roles & 50–950 ramp

primary

#10233F

secondary

#795C32

accent

#A345E3

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #10233F

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

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