#1C0F5E#1C0F5E

#1C0F5E is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.5% C 0.129 H 279.5°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#1C0F5E
RGB	rgb(28, 15, 94)
HSL	hsl(250, 72%, 21%)
HSV	hsv(250, 84%, 37%)
CMYK	cmyk(70.2%, 84%, 0%, 63.1%)
CIE-LAB	lab(11.93, 31.58, -44.18)
CIE-LCH	lch(11.93, 54.30, 305.56°)
OKLab	oklab(25.49% 0.0213 -0.1276)
OKLCH	oklch(25.49% 0.129 279.5)
XYZ	xyz(2.6694, 1.3965, 10.7164)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0F5E #515E0F

analogous

#0F2A5E #1C0F5E #440F5E

triadic

#1C0F5E #5E1C0F #0F5E1C

tetradic

#1C0F5E #5E0F2A #515E0F #0F5E44

square

#1C0F5E #5E0F2A #515E0F #0F5E44

split-complementary

#1C0F5E #5E440F #2A5E0F

monochromatic

#08041A #0C0729 #1C0F5E #2C1793 #3B20C8

Accessibility & contrast

On white

16.41

#1C0F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1C0F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0F5E

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0F5E	#FFFFFF	#000000	##FFFFFF
##1C0F5E	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002260

Deuteranopia (green-blind)

#001C5D

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1c0f5e;
/* rgb */ color: rgb(28, 15, 94);
/* oklch */ color: oklch(25.5% 0.129 279.5);

Tailwind

colors: {
  custom: {
    50: '#63508d',
    500: '#1c0f5e',
    950: '#000000',
  },
}

SCSS

$custom: #1c0f5e;
$custom-light: #63508d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0f5e",
  "rgb": {
    "r": 28,
    "g": 15,
    "b": 94
  },
  "hsl": {
    "h": 249.873,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25488,
    "c": 0.12932,
    "h": 279.5
  },
  "luminance": 0.01397
}

Semantic roles & 50–950 ramp

primary

#1C0F5E

secondary

#879731

accent

#EF39D1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C0F5E

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

Preview Lab → · Contrast checker → · Palette generator →