#10125B#10125B

#10125B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.125 H 271.4°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#10125B
RGB	rgb(16, 18, 91)
HSL	hsl(238, 70%, 21%)
HSV	hsv(238, 82%, 36%)
CMYK	cmyk(82.4%, 80.2%, 0%, 64.3%)
CIE-LAB	lab(11.26, 27.49, -43.31)
CIE-LCH	lch(11.26, 51.30, 302.41°)
OKLab	oklab(24.66% 0.003 -0.1254)
OKLCH	oklch(24.66% 0.125 271.4)
XYZ	xyz(2.3177, 1.2978, 10.0239)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10125B #5B5910

analogous

#10375B #10125B #33105B

triadic

#10125B #5B1012 #125B10

tetradic

#10125B #5B1037 #5B5910 #105B33

square

#10125B #5B1037 #5B5910 #105B33

split-complementary

#10125B #5B3310 #375B10

monochromatic

#05051A #070827 #10125B #191C8F #2227C3

Accessibility & contrast

On white

16.67

#10125B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#10125B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10125B

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10125B	#FFFFFF	#000000	##FFFFFF
##10125B	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10125b;
/* rgb */ color: rgb(16, 18, 91);
/* oklch */ color: oklch(24.7% 0.125 271.4);

Tailwind

colors: {
  custom: {
    50: '#5e518a',
    500: '#10125b',
    950: '#000000',
  },
}

SCSS

$custom: #10125b;
$custom-light: #5e518a;
$custom-dark: #000000;

JSON

{
  "hex": "#10125b",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 91
  },
  "hsl": {
    "h": 238.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24664,
    "c": 0.12542,
    "h": 271.4
  },
  "luminance": 0.01298
}

Semantic roles & 50–950 ramp

primary

#10125B

secondary

#949233

accent

#E83BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10125B

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

Preview Lab → · Contrast checker → · Palette generator →