#101A33#101A33

#101A33 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.3% C 0.051 H 266.0°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#101A33
RGB	rgb(16, 26, 51)
HSL	hsl(223, 52%, 13%)
HSV	hsv(223, 69%, 20%)
CMYK	cmyk(68.6%, 49%, 0%, 80%)
CIE-LAB	lab(9.70, 5.00, -17.91)
CIE-LCH	lch(9.70, 18.59, 285.60°)
OKLab	oklab(22.33% -0.0036 -0.0509)
OKLCH	oklch(22.33% 0.051 266)
XYZ	xyz(1.1804, 1.0879, 3.2791)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A33 #332910

analogous

#102B33 #101A33 #171033

triadic

#101A33 #33101A #1A3310

tetradic

#101A33 #33102B #332910 #103317

square

#101A33 #33102B #332910 #103317

split-complementary

#101A33 #331710 #2B3310

monochromatic

#070C17 #070C17 #101A33 #1F3262 #2D4990

Accessibility & contrast

On white

17.25

#101A33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#101A33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A33

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A33	#FFFFFF	#000000	##FFFFFF
##101A33	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1D34

Deuteranopia (green-blind)

#0B1932

Tritanopia (blue-blind)

#002024

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101a33;
/* rgb */ color: rgb(16, 26, 51);
/* oklch */ color: oklch(22.3% 0.051 266.0);

Tailwind

colors: {
  custom: {
    50: '#52566b',
    500: '#101a33',
    950: '#000000',
  },
}

SCSS

$custom: #101a33;
$custom-light: #52566b;
$custom-dark: #000000;

JSON

{
  "hex": "#101a33",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 51
  },
  "hsl": {
    "h": 222.857,
    "s": 52.239,
    "l": 13.137
  },
  "oklch": {
    "l": 0.22329,
    "c": 0.05102,
    "h": 266
  },
  "luminance": 0.01088
}

Semantic roles & 50–950 ramp

primary

#101A33

secondary

#6C5C32

accent

#B34CDC

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101A33

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

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