#101259#101259

#101259 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.4% C 0.123 H 271.6°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#101259
RGB	rgb(16, 18, 89)
HSL	hsl(238, 70%, 21%)
HSV	hsv(238, 82%, 35%)
CMYK	cmyk(82%, 79.8%, 0%, 65.1%)
CIE-LAB	lab(11.02, 26.73, -42.35)
CIE-LCH	lch(11.02, 50.08, 302.26°)
OKLab	oklab(24.42% 0.0034 -0.1226)
OKLCH	oklch(24.42% 0.123 271.6)
XYZ	xyz(2.2326, 1.2638, 9.5755)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101259 #595710

analogous

#103659 #101259 #321059

triadic

#101259 #591012 #125910

tetradic

#101259 #591036 #595710 #105932

square

#101259 #591036 #595710 #105932

split-complementary

#101259 #593210 #365910

monochromatic

#05051A #070825 #101259 #191C8D #2327C1

Accessibility & contrast

On white

16.76

#101259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101259

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101259	#FFFFFF	#000000	##FFFFFF
##101259	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215B

Deuteranopia (green-blind)

#001A58

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101259;
/* rgb */ color: rgb(16, 18, 89);
/* oklch */ color: oklch(24.4% 0.123 271.6);

Tailwind

colors: {
  custom: {
    50: '#5d5089',
    500: '#101259',
    950: '#000000',
  },
}

SCSS

$custom: #101259;
$custom-light: #5d5089;
$custom-dark: #000000;

JSON

{
  "hex": "#101259",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 89
  },
  "hsl": {
    "h": 238.356,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24422,
    "c": 0.12266,
    "h": 271.6
  },
  "luminance": 0.01264
}

Semantic roles & 50–950 ramp

primary

#101259

secondary

#929033

accent

#E73BEC

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #101259

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

Preview Lab → · Contrast checker → · Palette generator →