#101025#101025

#101025 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.042 H 281.5°. Best body text is #FFFFFF at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#101025
RGB	rgb(16, 16, 37)
HSL	hsl(240, 40%, 10%)
HSV	hsv(240, 57%, 15%)
CMYK	cmyk(56.8%, 56.8%, 0%, 85.5%)
CIE-LAB	lab(5.55, 6.10, -14.08)
CIE-LCH	lch(5.55, 15.34, 293.43°)
OKLab	oklab(18.59% 0.0084 -0.0413)
OKLCH	oklch(18.59% 0.042 281.5)
XYZ	xyz(0.7328, 0.6143, 1.8299)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101025 #252510

analogous

#101A25 #101025 #1A1025

triadic

#101025 #251010 #102510

tetradic

#101025 #25101A #252510 #10251A

square

#101025 #25101A #252510 #10251A

split-complementary

#101025 #251A10 #1A2510

monochromatic

#090915 #090915 #101025 #222250 #35357A

Accessibility & contrast

On white

18.70

#101025 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#101025 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101025

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101025	#FFFFFF	#000000	##FFFFFF
##101025	1.00	18.70	1.12	18.70
#FFFFFF	18.70	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081326

Deuteranopia (green-blind)

#071125

Tritanopia (blue-blind)

#091418

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #101025;
/* rgb */ color: rgb(16, 16, 37);
/* oklch */ color: oklch(18.6% 0.042 281.5);

Tailwind

colors: {
  custom: {
    50: '#4f4e5f',
    500: '#101025',
    950: '#000000',
  },
}

SCSS

$custom: #101025;
$custom-light: #4f4e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#101025",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 37
  },
  "hsl": {
    "h": 240,
    "s": 39.623,
    "l": 10.392
  },
  "oklch": {
    "l": 0.18594,
    "c": 0.04215,
    "h": 281.5
  },
  "luminance": 0.00614
}

Semantic roles & 50–950 ramp

primary

#101025

secondary

#5C5C34

accent

#D058D0

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020104

muted

#787779

Preview Lab

Preview with #101025

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

Preview Lab → · Contrast checker → · Palette generator →