#1C236A#1C236A

#1C236A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.1% C 0.122 H 272.3°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C236A
RGB	rgb(28, 35, 106)
HSL	hsl(235, 58%, 26%)
HSV	hsv(235, 74%, 42%)
CMYK	cmyk(73.6%, 67%, 0%, 58.4%)
CIE-LAB	lab(17.87, 23.17, -42.36)
CIE-LCH	lch(17.87, 48.28, 298.68°)
OKLab	oklab(30.13% 0.0049 -0.1223)
OKLCH	oklch(30.13% 0.122 272.3)
XYZ	xyz(3.6806, 2.4892, 13.9194)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C236A #6A631C

analogous

#1C4A6A #1C236A #3C1C6A

triadic

#1C236A #6A1C23 #236A1C

tetradic

#1C236A #6A1C4A #6A631C #1C6A3C

square

#1C236A #6A1C4A #6A631C #1C6A3C

split-complementary

#1C236A #6A3C1C #4A6A1C

monochromatic

#060818 #0F133A #1C236A #29339A #3644CA

Accessibility & contrast

On white

14.02

#1C236A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1C236A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C236A

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C236A	#FFFFFF	#000000	##FFFFFF
##1C236A	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6C

Deuteranopia (green-blind)

#002869

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c236a;
/* rgb */ color: rgb(28, 35, 106);
/* oklch */ color: oklch(30.1% 0.122 272.3);

Tailwind

colors: {
  custom: {
    50: '#645e95',
    500: '#1c236a',
    950: '#000000',
  },
}

SCSS

$custom: #1c236a;
$custom-light: #645e95;
$custom-dark: #000000;

JSON

{
  "hex": "#1c236a",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 106
  },
  "hsl": {
    "h": 234.615,
    "s": 58.209,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30128,
    "c": 0.12239,
    "h": 272.3
  },
  "luminance": 0.0249
}

Semantic roles & 50–950 ramp

primary

#1C236A

secondary

#9F9743

accent

#D446E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1C236A

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

Preview Lab → · Contrast checker → · Palette generator →