#1C2D83#1C2D83

#1C2D83 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.145 H 268.6°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D83
RGB	rgb(28, 45, 131)
HSL	hsl(230, 65%, 31%)
HSV	hsv(230, 79%, 51%)
CMYK	cmyk(78.6%, 65.6%, 0%, 48.6%)
CIE-LAB	lab(22.87, 26.01, -50.18)
CIE-LCH	lch(22.87, 56.52, 297.40°)
OKLab	oklab(34.53% -0.0035 -0.1451)
OKLCH	oklch(34.53% 0.145 268.6)
XYZ	xyz(5.5126, 3.7617, 21.9039)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D83 #83721C

analogous

#1C6083 #1C2D83 #3E1C83

triadic

#1C2D83 #831C2D #2D831C

tetradic

#1C2D83 #831C60 #83721C #1C833E

square

#1C2D83 #831C60 #83721C #1C833E

split-complementary

#1C2D83 #833E1C #60831C

monochromatic

#060A1E #111C51 #1C2D83 #273EB5 #435BD7

Accessibility & contrast

On white

11.98

#1C2D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C2D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D83

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D83	#FFFFFF	#000000	##FFFFFF
##1C2D83	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2d83;
/* rgb */ color: rgb(28, 45, 131);
/* oklch */ color: oklch(34.5% 0.145 268.6);

Tailwind

colors: {
  custom: {
    50: '#6a65a8',
    500: '#1c2d83',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d83;
$custom-light: #6a65a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d83",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 131
  },
  "hsl": {
    "h": 230.097,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34526,
    "c": 0.14515,
    "h": 268.6
  },
  "luminance": 0.03762
}

Semantic roles & 50–950 ramp

primary

#1C2D83

secondary

#B6A345

accent

#CC40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070510

muted

#7A7A7F

Preview Lab

Preview with #1C2D83

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

Preview Lab → · Contrast checker → · Palette generator →