#1B125D#1B125D

#1B125D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.7% C 0.125 H 278.3°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B125D
RGB	rgb(27, 18, 93)
HSL	hsl(247, 68%, 22%)
HSV	hsv(247, 81%, 36%)
CMYK	cmyk(71%, 80.6%, 0%, 63.5%)
CIE-LAB	lab(12.32, 29.40, -42.87)
CIE-LCH	lch(12.32, 51.98, 304.45°)
OKLab	oklab(25.7% 0.0181 -0.1238)
OKLCH	oklch(25.7% 0.125 278.3)
XYZ	xyz(2.6434, 1.4557, 10.4955)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B125D #545D12

analogous

#122F5D #1B125D #41125D

triadic

#1B125D #5D1B12 #125D1B

tetradic

#1B125D #5D122F #545D12 #125D41

square

#1B125D #5D122F #545D12 #125D41

split-complementary

#1B125D #5D4112 #2F5D12

monochromatic

#07051A #0C082A #1B125D #2A1C90 #3926C4

Accessibility & contrast

On white

16.26

#1B125D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1B125D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B125D

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B125D	#FFFFFF	#000000	##FFFFFF
##1B125D	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235F

Deuteranopia (green-blind)

#001D5C

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b125d;
/* rgb */ color: rgb(27, 18, 93);
/* oklch */ color: oklch(25.7% 0.125 278.3);

Tailwind

colors: {
  custom: {
    50: '#62518c',
    500: '#1b125d',
    950: '#000000',
  },
}

SCSS

$custom: #1b125d;
$custom-light: #62518c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b125d",
  "rgb": {
    "r": 27,
    "g": 18,
    "b": 93
  },
  "hsl": {
    "h": 247.2,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25703,
    "c": 0.12513,
    "h": 278.3
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#1B125D

secondary

#8A9535

accent

#EA3DD6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B125D

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

Preview Lab → · Contrast checker → · Palette generator →