#1B125E#1B125E

#1B125E is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.8% C 0.126 H 278.1°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B125E
RGB	rgb(27, 18, 94)
HSL	hsl(247, 68%, 22%)
HSV	hsv(247, 81%, 37%)
CMYK	cmyk(71.3%, 80.9%, 0%, 63.1%)
CIE-LAB	lab(12.44, 29.76, -43.35)
CIE-LCH	lch(12.44, 52.58, 304.47°)
OKLab	oklab(25.82% 0.0178 -0.1252)
OKLCH	oklch(25.82% 0.126 278.1)
XYZ	xyz(2.6880, 1.4735, 10.7303)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B125E #555E12

analogous

#122F5E #1B125E #41125E

triadic

#1B125E #5E1B12 #125E1B

tetradic

#1B125E #5E122F #555E12 #125E41

square

#1B125E #5E122F #555E12 #125E41

split-complementary

#1B125E #5E4112 #2F5E12

monochromatic

#07051A #0C082B #1B125E #2A1C91 #3926C5

Accessibility & contrast

On white

16.22

#1B125E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1B125E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B125E

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B125E	#FFFFFF	#000000	##FFFFFF
##1B125E	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002360

Deuteranopia (green-blind)

#001D5D

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b125e;
/* rgb */ color: rgb(27, 18, 94);
/* oklch */ color: oklch(25.8% 0.126 278.1);

Tailwind

colors: {
  custom: {
    50: '#63518d',
    500: '#1b125e',
    950: '#000000',
  },
}

SCSS

$custom: #1b125e;
$custom-light: #63518d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b125e",
  "rgb": {
    "r": 27,
    "g": 18,
    "b": 94
  },
  "hsl": {
    "h": 247.105,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.25818,
    "c": 0.12647,
    "h": 278.1
  },
  "luminance": 0.01474
}

Semantic roles & 50–950 ramp

primary

#1B125E

secondary

#8B9635

accent

#EB3DD6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B125E

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

Preview Lab → · Contrast checker → · Palette generator →