#101A42#101A42

#101A42 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.077 H 269.2°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#101A42
RGB	rgb(16, 26, 66)
HSL	hsl(228, 61%, 16%)
HSV	hsv(228, 76%, 26%)
CMYK	cmyk(75.8%, 60.6%, 0%, 74.1%)
CIE-LAB	lab(10.86, 11.44, -26.75)
CIE-LCH	lch(10.86, 29.10, 293.15°)
OKLab	oklab(23.59% -0.0011 -0.0769)
OKLCH	oklch(23.59% 0.077 269.2)
XYZ	xyz(1.5661, 1.2421, 5.3104)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A42 #423810

analogous

#103342 #101A42 #1F1042

triadic

#101A42 #42101A #1A4210

tetradic

#101A42 #421033 #423810 #10421F

square

#101A42 #421033 #423810 #10421F

split-complementary

#101A42 #421F10 #334210

monochromatic

#060A19 #060A19 #101A42 #1C2D73 #2841A5

Accessibility & contrast

On white

16.82

#101A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A42

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A42	#FFFFFF	#000000	##FFFFFF
##101A42	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022043

Deuteranopia (green-blind)

#001B41

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101a42;
/* rgb */ color: rgb(16, 26, 66);
/* oklch */ color: oklch(23.6% 0.077 269.2);

Tailwind

colors: {
  custom: {
    50: '#555677',
    500: '#101a42',
    950: '#000000',
  },
}

SCSS

$custom: #101a42;
$custom-light: #555677;
$custom-dark: #000000;

JSON

{
  "hex": "#101a42",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 66
  },
  "hsl": {
    "h": 228,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.23587,
    "c": 0.0769,
    "h": 269.2
  },
  "luminance": 0.01242
}

Semantic roles & 50–950 ramp

primary

#101A42

secondary

#7C6D32

accent

#C444E4

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030308

muted

#78787B

Preview Lab

Preview with #101A42

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

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