#1C2A8D#1C2A8D

#1C2A8D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.162 H 269.1°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A8D
RGB	rgb(28, 42, 141)
HSL	hsl(233, 67%, 33%)
HSV	hsv(233, 80%, 55%)
CMYK	cmyk(80.1%, 70.2%, 0%, 44.7%)
CIE-LAB	lab(23.08, 31.86, -56.07)
CIE-LCH	lch(23.08, 64.49, 299.60°)
OKLab	oklab(34.98% -0.0024 -0.1624)
OKLCH	oklch(34.98% 0.162 269.1)
XYZ	xyz(6.1129, 3.8252, 25.6103)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A8D #8D7F1C

analogous

#1C628D #1C2A8D #461C8D

triadic

#1C2A8D #8D1C2A #2A8D1C

tetradic

#1C2A8D #8D1C62 #8D7F1C #1C8D46

square

#1C2A8D #8D1C62 #8D7F1C #1C8D46

split-complementary

#1C2A8D #8D461C #628D1C

monochromatic

#080C27 #121B5A #1C2A8D #2639C0 #495BDB

Accessibility & contrast

On white

11.90

#1C2A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1C2A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A8D

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A8D	#FFFFFF	#000000	##FFFFFF
##1C2A8D	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2a8d;
/* rgb */ color: rgb(28, 42, 141);
/* oklch */ color: oklch(35.0% 0.162 269.1);

Tailwind

colors: {
  custom: {
    50: '#6d64af',
    500: '#1c2a8d',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a8d;
$custom-light: #6d64af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a8d",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 141
  },
  "hsl": {
    "h": 232.566,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34982,
    "c": 0.16238,
    "h": 269.1
  },
  "luminance": 0.03826
}

Semantic roles & 50–950 ramp

primary

#1C2A8D

secondary

#BDAE48

accent

#D43EEA

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C2A8D

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

Preview Lab → · Contrast checker → · Palette generator →