#1C2D89#1C2D89

#1C2D89 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.153 H 268.6°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D89
RGB	rgb(28, 45, 137)
HSL	hsl(231, 66%, 32%)
HSV	hsv(231, 80%, 54%)
CMYK	cmyk(79.6%, 67.2%, 0%, 46.3%)
CIE-LAB	lab(23.44, 28.34, -53.00)
CIE-LCH	lch(23.44, 60.10, 298.13°)
OKLab	oklab(35.12% -0.0038 -0.1534)
OKLCH	oklch(35.12% 0.153 268.6)
XYZ	xyz(5.9311, 3.9291, 24.1079)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D89 #89781C

analogous

#1C6489 #1C2D89 #411C89

triadic

#1C2D89 #891C2D #2D891C

tetradic

#1C2D89 #891C64 #89781C #1C8941

square

#1C2D89 #891C64 #89781C #1C8941

split-complementary

#1C2D89 #89411C #64891C

monochromatic

#070C23 #121C56 #1C2D89 #263EBC #465DD9

Accessibility & contrast

On white

11.76

#1C2D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C2D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D89

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D89	#FFFFFF	#000000	##FFFFFF
##1C2D89	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8C

Deuteranopia (green-blind)

#003387

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c2d89;
/* rgb */ color: rgb(28, 45, 137);
/* oklch */ color: oklch(35.1% 0.153 268.6);

Tailwind

colors: {
  custom: {
    50: '#6c66ac',
    500: '#1c2d89',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d89;
$custom-light: #6c66ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d89",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 137
  },
  "hsl": {
    "h": 230.642,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35118,
    "c": 0.15343,
    "h": 268.6
  },
  "luminance": 0.0393
}

Semantic roles & 50–950 ramp

primary

#1C2D89

secondary

#BBA946

accent

#CE3FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1C2D89

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

Preview Lab → · Contrast checker → · Palette generator →