#10143C#10143C

#10143C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.076 H 273.8°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#10143C
RGB	rgb(16, 20, 60)
HSL	hsl(235, 58%, 15%)
HSV	hsv(235, 73%, 24%)
CMYK	cmyk(73.3%, 66.7%, 0%, 76.5%)
CIE-LAB	lab(8.45, 13.54, -26.41)
CIE-LCH	lch(8.45, 29.68, 297.14°)
OKLab	oklab(21.61% 0.0051 -0.076)
OKLCH	oklch(21.61% 0.076 273.8)
XYZ	xyz(1.2792, 0.9366, 4.3875)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10143C #3C3810

analogous

#102A3C #10143C #22103C

triadic

#10143C #3C1014 #143C10

tetradic

#10143C #3C102A #3C3810 #103C22

square

#10143C #3C102A #3C3810 #103C22

split-complementary

#10143C #3C2210 #2A3C10

monochromatic

#060818 #060818 #10143C #1D246C #2A349D

Accessibility & contrast

On white

17.69

#10143C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#10143C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10143C

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10143C	#FFFFFF	#000000	##FFFFFF
##10143C	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3D

Deuteranopia (green-blind)

#00173B

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #10143c;
/* rgb */ color: rgb(16, 20, 60);
/* oklch */ color: oklch(21.6% 0.076 273.8);

Tailwind

colors: {
  custom: {
    50: '#545172',
    500: '#10143c',
    950: '#000000',
  },
}

SCSS

$custom: #10143c;
$custom-light: #545172;
$custom-dark: #000000;

JSON

{
  "hex": "#10143c",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 60
  },
  "hsl": {
    "h": 234.545,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21613,
    "c": 0.07613,
    "h": 273.8
  },
  "luminance": 0.00937
}

Semantic roles & 50–950 ramp

primary

#10143C

secondary

#767032

accent

#D347E1

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #10143C

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

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