#10125A#10125A

#10125A is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.124 H 271.5°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#10125A
RGB	rgb(16, 18, 90)
HSL	hsl(238, 70%, 21%)
HSV	hsv(238, 82%, 35%)
CMYK	cmyk(82.2%, 80%, 0%, 64.7%)
CIE-LAB	lab(11.14, 27.11, -42.83)
CIE-LCH	lch(11.14, 50.69, 302.33°)
OKLab	oklab(24.54% 0.0032 -0.124)
OKLCH	oklch(24.54% 0.124 271.5)
XYZ	xyz(2.2748, 1.2807, 9.7982)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10125A #5A5810

analogous

#10375A #10125A #33105A

triadic

#10125A #5A1012 #125A10

tetradic

#10125A #5A1037 #5A5810 #105A33

square

#10125A #5A1037 #5A5810 #105A33

split-complementary

#10125A #5A3310 #375A10

monochromatic

#05051A #070826 #10125A #191C8E #2227C2

Accessibility & contrast

On white

16.72

#10125A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#10125A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10125A

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10125A	#FFFFFF	#000000	##FFFFFF
##10125A	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215C

Deuteranopia (green-blind)

#001A59

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10125a;
/* rgb */ color: rgb(16, 18, 90);
/* oklch */ color: oklch(24.5% 0.124 271.5);

Tailwind

colors: {
  custom: {
    50: '#5d508a',
    500: '#10125a',
    950: '#000000',
  },
}

SCSS

$custom: #10125a;
$custom-light: #5d508a;
$custom-dark: #000000;

JSON

{
  "hex": "#10125a",
  "rgb": {
    "r": 16,
    "g": 18,
    "b": 90
  },
  "hsl": {
    "h": 238.378,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24543,
    "c": 0.12404,
    "h": 271.5
  },
  "luminance": 0.01281
}

Semantic roles & 50–950 ramp

primary

#10125A

secondary

#939133

accent

#E83BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10125A

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

Preview Lab → · Contrast checker → · Palette generator →