#1C3271#1C3271

#1C3271 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.112 H 266.0°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C3271
RGB	rgb(28, 50, 113)
HSL	hsl(224, 60%, 28%)
HSV	hsv(224, 75%, 44%)
CMYK	cmyk(75.2%, 55.8%, 0%, 55.7%)
CIE-LAB	lab(22.72, 15.29, -38.99)
CIE-LCH	lch(22.72, 41.88, 291.42°)
OKLab	oklab(33.94% -0.0078 -0.1122)
OKLCH	oklch(33.94% 0.112 266)
XYZ	xyz(4.5991, 3.7199, 16.0952)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3271 #715B1C

analogous

#1C5C71 #1C3271 #311C71

triadic

#1C3271 #711C32 #32711C

tetradic

#1C3271 #711C5C #715B1C #1C7131

square

#1C3271 #711C5C #715B1C #1C7131

split-complementary

#1C3271 #71311C #5C711C

monochromatic

#060B19 #101C40 #1C3271 #2848A2 #3960CE

Accessibility & contrast

On white

12.04

#1C3271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C3271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3271

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3271	#FFFFFF	#000000	##FFFFFF
##1C3271	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053A73

Deuteranopia (green-blind)

#003370

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c3271;
/* rgb */ color: rgb(28, 50, 113);
/* oklch */ color: oklch(33.9% 0.112 266.0);

Tailwind

colors: {
  custom: {
    50: '#65699a',
    500: '#1c3271',
    950: '#000000',
  },
}

SCSS

$custom: #1c3271;
$custom-light: #65699a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3271",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 113
  },
  "hsl": {
    "h": 224.471,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33936,
    "c": 0.11245,
    "h": 266
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#1C3271

secondary

#A68C43

accent

#BA44E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C3271

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

Preview Lab → · Contrast checker → · Palette generator →