#1C2272#1C2272

#1C2272 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.7% C 0.135 H 272.1°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C2272
RGB	rgb(28, 34, 114)
HSL	hsl(236, 61%, 28%)
HSV	hsv(236, 75%, 45%)
CMYK	cmyk(75.4%, 70.2%, 0%, 55.3%)
CIE-LAB	lab(18.39, 26.95, -46.70)
CIE-LCH	lch(18.39, 53.91, 299.99°)
OKLab	oklab(30.75% 0.005 -0.135)
OKLCH	oklch(30.75% 0.135 272.1)
XYZ	xyz(4.0872, 2.6054, 16.2038)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2272 #726C1C

analogous

#1C4D72 #1C2272 #411C72

triadic

#1C2272 #721C22 #22721C

tetradic

#1C2272 #721C4D #726C1C #1C7241

square

#1C2272 #721C4D #726C1C #1C7241

split-complementary

#1C2272 #72411C #4D721C

monochromatic

#060719 #101341 #1C2272 #2831A3 #3A44CF

Accessibility & contrast

On white

13.80

#1C2272 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C2272 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2272

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2272	#FFFFFF	#000000	##FFFFFF
##1C2272	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003174

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#003747

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c2272;
/* rgb */ color: rgb(28, 34, 114);
/* oklch */ color: oklch(30.7% 0.135 272.1);

Tailwind

colors: {
  custom: {
    50: '#675d9b',
    500: '#1c2272',
    950: '#000000',
  },
}

SCSS

$custom: #1c2272;
$custom-light: #675d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2272",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 114
  },
  "hsl": {
    "h": 235.814,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30746,
    "c": 0.13509,
    "h": 272.1
  },
  "luminance": 0.02606
}

Semantic roles & 50–950 ramp

primary

#1C2272

secondary

#A6A043

accent

#D944E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1C2272

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

Preview Lab → · Contrast checker → · Palette generator →