#101258#101258

#101258 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.3% C 0.121 H 271.7°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#101258
RGB	rgb(16, 18, 88)
HSL	hsl(238, 69%, 20%)
HSV	hsv(238, 82%, 35%)
CMYK	cmyk(81.8%, 79.5%, 0%, 65.5%)
CIE-LAB	lab(10.90, 26.35, -41.87)
CIE-LCH	lch(10.90, 49.47, 302.18°)
OKLab	oklab(24.3% 0.0036 -0.1212)
OKLCH	oklch(24.3% 0.121 271.7)
XYZ	xyz(2.1908, 1.2471, 9.3559)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101258 #585610

analogous

#103658 #101258 #321058

triadic

#101258 #581012 #125810

tetradic

#101258 #581036 #585610 #105832

square

#101258 #581036 #585610 #105832

split-complementary

#101258 #583210 #365810

monochromatic

#05051A #070724 #101258 #191D8C #2327C0

Accessibility & contrast

On white

16.81

#101258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101258

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101258	#FFFFFF	#000000	##FFFFFF
##101258	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215A

Deuteranopia (green-blind)

#001A57

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101258;
/* rgb */ color: rgb(16, 18, 88);
/* oklch */ color: oklch(24.3% 0.121 271.7);

Tailwind

colors: {
  custom: {
    50: '#5d5088',
    500: '#101258',
    950: '#000000',
  },
}

SCSS

$custom: #101258;
$custom-light: #5d5088;
$custom-dark: #000000;

JSON

{
  "hex": "#101258",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 88
  },
  "hsl": {
    "h": 238.333,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24302,
    "c": 0.12127,
    "h": 271.7
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#101258

secondary

#918F32

accent

#E73CEC

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101258

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

Preview Lab → · Contrast checker → · Palette generator →