#10153C#10153C

#10153C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.8% C 0.075 H 273.1°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#10153C
RGB	rgb(16, 21, 60)
HSL	hsl(233, 58%, 15%)
HSV	hsv(233, 73%, 24%)
CMYK	cmyk(73.3%, 65%, 0%, 76.5%)
CIE-LAB	lab(8.76, 12.76, -25.91)
CIE-LCH	lch(8.76, 28.88, 296.22°)
OKLab	oklab(21.84% 0.004 -0.0745)
OKLCH	oklch(21.84% 0.075 273.1)
XYZ	xyz(1.2972, 0.9726, 4.3935)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10153C #3C3710

analogous

#102B3C #10153C #21103C

triadic

#10153C #3C1015 #153C10

tetradic

#10153C #3C102B #3C3710 #103C21

square

#10153C #3C102B #3C3710 #103C21

split-complementary

#10153C #3C2110 #2B3C10

monochromatic

#060818 #060818 #10153C #1D266C #2A379D

Accessibility & contrast

On white

17.58

#10153C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#10153C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10153C

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10153C	#FFFFFF	#000000	##FFFFFF
##10153C	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3D

Deuteranopia (green-blind)

#00173B

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #10153c;
/* rgb */ color: rgb(16, 21, 60);
/* oklch */ color: oklch(21.8% 0.075 273.1);

Tailwind

colors: {
  custom: {
    50: '#545272',
    500: '#10153c',
    950: '#000000',
  },
}

SCSS

$custom: #10153c;
$custom-light: #545272;
$custom-dark: #000000;

JSON

{
  "hex": "#10153c",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 60
  },
  "hsl": {
    "h": 233.182,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21844,
    "c": 0.07458,
    "h": 273.1
  },
  "luminance": 0.00973
}

Semantic roles & 50–950 ramp

primary

#10153C

secondary

#766E32

accent

#D047E1

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #10153C

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

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