#101A3C#101A3C

#101A3C is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.1% C 0.067 H 268.4°. Best body text is #FFFFFF at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#101A3C
RGB	rgb(16, 26, 60)
HSL	hsl(226, 58%, 15%)
HSV	hsv(226, 73%, 24%)
CMYK	cmyk(73.3%, 56.7%, 0%, 76.5%)
CIE-LAB	lab(10.37, 8.84, -23.30)
CIE-LCH	lch(10.37, 24.93, 290.78°)
OKLab	oklab(23.06% -0.0018 -0.0667)
OKLCH	oklch(23.06% 0.067 268.4)
XYZ	xyz(1.3984, 1.1751, 4.4272)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A3C #3C3210

analogous

#10303C #101A3C #1C103C

triadic

#101A3C #3C101A #1A3C10

tetradic

#101A3C #3C1030 #3C3210 #103C1C

square

#101A3C #3C1030 #3C3210 #103C1C

split-complementary

#101A3C #3C1C10 #303C10

monochromatic

#060A18 #060A18 #101A3C #1D2F6C #2A449D

Accessibility & contrast

On white

17.00

#101A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A3C

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A3C	#FFFFFF	#000000	##FFFFFF
##101A3C	1.00	17.00	1.23	17.00
#FFFFFF	17.00	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081E3D

Deuteranopia (green-blind)

#021A3B

Tritanopia (blue-blind)

#002228

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101a3c;
/* rgb */ color: rgb(16, 26, 60);
/* oklch */ color: oklch(23.1% 0.067 268.4);

Tailwind

colors: {
  custom: {
    50: '#545672',
    500: '#101a3c',
    950: '#000000',
  },
}

SCSS

$custom: #101a3c;
$custom-light: #545672;
$custom-dark: #000000;

JSON

{
  "hex": "#101a3c",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 60
  },
  "hsl": {
    "h": 226.364,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.23057,
    "c": 0.06676,
    "h": 268.4
  },
  "luminance": 0.01175
}

Semantic roles & 50–950 ramp

primary

#101A3C

secondary

#766632

accent

#BE47E1

background

#F5F5F6

surface

#E9E8EC

border

#C5C4C7

text

#030308

muted

#78787B

Preview Lab

Preview with #101A3C

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

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