#1C2877#1C2877

#1C2877 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.135 H 270.2°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#1C2877
RGB	rgb(28, 40, 119)
HSL	hsl(232, 62%, 29%)
HSV	hsv(232, 76%, 47%)
CMYK	cmyk(76.5%, 66.4%, 0%, 53.3%)
CIE-LAB	lab(20.42, 24.77, -46.57)
CIE-LCH	lch(20.42, 52.75, 298.00°)
OKLab	oklab(32.38% 0.0004 -0.1346)
OKLCH	oklch(32.38% 0.135 270.2)
XYZ	xyz(4.5663, 3.0959, 17.8061)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2877 #776B1C

analogous

#1C5677 #1C2877 #3E1C77

triadic

#1C2877 #771C28 #28771C

tetradic

#1C2877 #771C56 #776B1C #1C773E

square

#1C2877 #771C56 #776B1C #1C773E

split-complementary

#1C2877 #773E1C #56771C

monochromatic

#060819 #101745 #1C2877 #2839A9 #3C50D1

Accessibility & contrast

On white

12.97

#1C2877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1C2877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2877

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2877	#FFFFFF	#000000	##FFFFFF
##1C2877	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367A

Deuteranopia (green-blind)

#002D75

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2877;
/* rgb */ color: rgb(28, 40, 119);
/* oklch */ color: oklch(32.4% 0.135 270.2);

Tailwind

colors: {
  custom: {
    50: '#67629f',
    500: '#1c2877',
    950: '#000000',
  },
}

SCSS

$custom: #1c2877;
$custom-light: #67629f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2877",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 119
  },
  "hsl": {
    "h": 232.088,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32382,
    "c": 0.1346,
    "h": 270.2
  },
  "luminance": 0.03096
}

Semantic roles & 50–950 ramp

primary

#1C2877

secondary

#AB9D44

accent

#D043E5

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #1C2877

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

Preview Lab → · Contrast checker → · Palette generator →