#101542#101542

#101542 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.084 H 272.7°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#101542
RGB	rgb(16, 21, 66)
HSL	hsl(234, 61%, 16%)
HSV	hsv(234, 76%, 26%)
CMYK	cmyk(75.8%, 68.2%, 0%, 74.1%)
CIE-LAB	lab(9.32, 15.30, -29.27)
CIE-LCH	lch(9.32, 33.02, 297.60°)
OKLab	oklab(22.43% 0.004 -0.0843)
OKLCH	oklch(22.43% 0.084 272.7)
XYZ	xyz(1.4649, 1.0397, 5.2767)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101542 #423D10

analogous

#102E42 #101542 #241042

triadic

#101542 #421015 #154210

tetradic

#101542 #42102E #423D10 #104224

square

#101542 #42102E #423D10 #104224

split-complementary

#101542 #422410 #2E4210

monochromatic

#060819 #060819 #101542 #1C2573 #2834A5

Accessibility & contrast

On white

17.38

#101542 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#101542 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101542

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101542	#FFFFFF	#000000	##FFFFFF
##101542	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C43

Deuteranopia (green-blind)

#001841

Tritanopia (blue-blind)

#002029

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #101542;
/* rgb */ color: rgb(16, 21, 66);
/* oklch */ color: oklch(22.4% 0.084 272.7);

Tailwind

colors: {
  custom: {
    50: '#565277',
    500: '#101542',
    950: '#000000',
  },
}

SCSS

$custom: #101542;
$custom-light: #565277;
$custom-dark: #000000;

JSON

{
  "hex": "#101542",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 66
  },
  "hsl": {
    "h": 234,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.22432,
    "c": 0.08445,
    "h": 272.7
  },
  "luminance": 0.0104
}

Semantic roles & 50–950 ramp

primary

#101542

secondary

#7C7532

accent

#D444E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #101542

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

Preview Lab → · Contrast checker → · Palette generator →