#1C0F72#1C0F72

#1C0F72 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.155 H 275.5°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C0F72
RGB	rgb(28, 15, 114)
HSL	hsl(248, 77%, 25%)
HSV	hsv(248, 87%, 45%)
CMYK	cmyk(75.4%, 86.8%, 0%, 55.3%)
CIE-LAB	lab(14.42, 38.13, -53.25)
CIE-LCH	lch(14.42, 65.49, 305.61°)
OKLab	oklab(27.93% 0.0149 -0.1539)
OKLCH	oklch(27.93% 0.155 275.5)
XYZ	xyz(3.6860, 1.8031, 16.0701)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0F72 #65720F

analogous

#0F3372 #1C0F72 #4D0F72

triadic

#1C0F72 #721C0F #0F721C

tetradic

#1C0F72 #720F33 #65720F #0F724D

square

#1C0F72 #720F33 #65720F #0F724D

split-complementary

#1C0F72 #724D0F #33720F

monochromatic

#07041B #0F083C #1C0F72 #2916A8 #371DDE

Accessibility & contrast

On white

15.43

#1C0F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1C0F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0F72

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0F72	#FFFFFF	#000000	##FFFFFF
##1C0F72	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002975

Deuteranopia (green-blind)

#002070

Tritanopia (blue-blind)

#002F42

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1c0f72;
/* rgb */ color: rgb(28, 15, 114);
/* oklch */ color: oklch(27.9% 0.155 275.5);

Tailwind

colors: {
  custom: {
    50: '#68519c',
    500: '#1c0f72',
    950: '#000000',
  },
}

SCSS

$custom: #1c0f72;
$custom-light: #68519c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0f72",
  "rgb": {
    "r": 28,
    "g": 15,
    "b": 114
  },
  "hsl": {
    "h": 247.879,
    "s": 76.744,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27933,
    "c": 0.15464,
    "h": 275.5
  },
  "luminance": 0.01803
}

Semantic roles & 50–950 ramp

primary

#1C0F72

secondary

#9AAA33

accent

#F335DA

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1C0F72

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

Preview Lab → · Contrast checker → · Palette generator →