#1C2B89#1C2B89

#1C2B89 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.7% C 0.156 H 269.0°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B89
RGB	rgb(28, 43, 137)
HSL	hsl(232, 66%, 32%)
HSV	hsv(232, 80%, 54%)
CMYK	cmyk(79.6%, 68.6%, 0%, 46.3%)
CIE-LAB	lab(22.93, 29.68, -53.83)
CIE-LCH	lch(22.93, 61.47, 298.87°)
OKLab	oklab(34.75% -0.0026 -0.1558)
OKLCH	oklch(34.75% 0.156 269)
XYZ	xyz(5.8566, 3.7801, 24.0830)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B89 #897A1C

analogous

#1C6289 #1C2B89 #431C89

triadic

#1C2B89 #891C2B #2B891C

tetradic

#1C2B89 #891C62 #897A1C #1C8943

square

#1C2B89 #891C62 #897A1C #1C8943

split-complementary

#1C2B89 #89431C #62891C

monochromatic

#070B23 #121B56 #1C2B89 #263BBC #465AD9

Accessibility & contrast

On white

11.96

#1C2B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1C2B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B89

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B89	#FFFFFF	#000000	##FFFFFF
##1C2B89	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8C

Deuteranopia (green-blind)

#003287

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2b89;
/* rgb */ color: rgb(28, 43, 137);
/* oklch */ color: oklch(34.7% 0.156 269.0);

Tailwind

colors: {
  custom: {
    50: '#6c64ac',
    500: '#1c2b89',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b89;
$custom-light: #6c64ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b89",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 137
  },
  "hsl": {
    "h": 231.743,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34748,
    "c": 0.15584,
    "h": 269
  },
  "luminance": 0.03781
}

Semantic roles & 50–950 ramp

primary

#1C2B89

secondary

#BBAB46

accent

#D23FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1C2B89

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

Preview Lab → · Contrast checker → · Palette generator →