#1C2F82#1C2F82

#1C2F82 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.141 H 268.1°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F82
RGB	rgb(28, 47, 130)
HSL	hsl(229, 65%, 31%)
HSV	hsv(229, 78%, 51%)
CMYK	cmyk(78.5%, 63.8%, 0%, 49%)
CIE-LAB	lab(23.31, 24.24, -48.83)
CIE-LCH	lch(23.31, 54.51, 296.40°)
OKLab	oklab(34.82% -0.0048 -0.1411)
OKLCH	oklch(34.82% 0.141 268.1)
XYZ	xyz(5.5233, 3.8910, 21.5747)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F82 #826F1C

analogous

#1C6282 #1C2F82 #3C1C82

triadic

#1C2F82 #821C2F #2F821C

tetradic

#1C2F82 #821C62 #826F1C #1C823C

square

#1C2F82 #821C62 #826F1C #1C823C

split-complementary

#1C2F82 #823C1C #62821C

monochromatic

#060B1D #111D50 #1C2F82 #2741B4 #425ED6

Accessibility & contrast

On white

11.81

#1C2F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1C2F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F82

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F82	#FFFFFF	#000000	##FFFFFF
##1C2F82	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C85

Deuteranopia (green-blind)

#003380

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2f82;
/* rgb */ color: rgb(28, 47, 130);
/* oklch */ color: oklch(34.8% 0.141 268.1);

Tailwind

colors: {
  custom: {
    50: '#6a67a7',
    500: '#1c2f82',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f82;
$custom-light: #6a67a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f82",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 130
  },
  "hsl": {
    "h": 228.824,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34823,
    "c": 0.14122,
    "h": 268.1
  },
  "luminance": 0.03892
}

Semantic roles & 50–950 ramp

primary

#1C2F82

secondary

#B5A044

accent

#C840E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1C2F82

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

Preview Lab → · Contrast checker → · Palette generator →