#1C236D#1C236D

#1C236D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.4% C 0.127 H 272.1°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C236D
RGB	rgb(28, 35, 109)
HSL	hsl(235, 59%, 27%)
HSV	hsv(235, 74%, 43%)
CMYK	cmyk(74.3%, 67.9%, 0%, 57.3%)
CIE-LAB	lab(18.16, 24.34, -43.84)
CIE-LCH	lch(18.16, 50.14, 299.03°)
OKLab	oklab(30.43% 0.0047 -0.1266)
OKLCH	oklch(30.43% 0.127 272.1)
XYZ	xyz(3.8393, 2.5527, 14.7554)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C236D #6D661C

analogous

#1C4C6D #1C236D #3E1C6D

triadic

#1C236D #6D1C23 #236D1C

tetradic

#1C236D #6D1C4C #6D661C #1C6D3E

square

#1C236D #6D1C4C #6D661C #1C6D3E

split-complementary

#1C236D #6D3E1C #4C6D1C

monochromatic

#060818 #0F133C #1C236D #29339E #3844CC

Accessibility & contrast

On white

13.90

#1C236D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C236D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C236D

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C236D	#FFFFFF	#000000	##FFFFFF
##1C236D	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306F

Deuteranopia (green-blind)

#00296C

Tritanopia (blue-blind)

#003644

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c236d;
/* rgb */ color: rgb(28, 35, 109);
/* oklch */ color: oklch(30.4% 0.127 272.1);

Tailwind

colors: {
  custom: {
    50: '#655e98',
    500: '#1c236d',
    950: '#000000',
  },
}

SCSS

$custom: #1c236d;
$custom-light: #655e98;
$custom-dark: #000000;

JSON

{
  "hex": "#1c236d",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 109
  },
  "hsl": {
    "h": 234.815,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30425,
    "c": 0.12673,
    "h": 272.1
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#1C236D

secondary

#A29A43

accent

#D545E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1C236D

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

Preview Lab → · Contrast checker → · Palette generator →