#1C3372#1C3372

#1C3372 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.113 H 265.6°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C3372
RGB	rgb(28, 51, 114)
HSL	hsl(224, 61%, 28%)
HSV	hsv(224, 75%, 45%)
CMYK	cmyk(75.4%, 55.3%, 0%, 55.3%)
CIE-LAB	lab(23.10, 14.98, -39.02)
CIE-LCH	lch(23.10, 41.80, 291.01°)
OKLab	oklab(34.24% -0.0086 -0.1123)
OKLCH	oklch(34.24% 0.113 265.6)
XYZ	xyz(4.6989, 3.8289, 16.4077)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3372 #725B1C

analogous

#1C5E72 #1C3372 #301C72

triadic

#1C3372 #721C33 #33721C

tetradic

#1C3372 #721C5E #725B1C #1C7230

square

#1C3372 #721C5E #725B1C #1C7230

split-complementary

#1C3372 #72301C #5E721C

monochromatic

#060B19 #101D41 #1C3372 #2849A3 #3A62CF

Accessibility & contrast

On white

11.89

#1C3372 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1C3372 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3372

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3372	#FFFFFF	#000000	##FFFFFF
##1C3372	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#073B74

Deuteranopia (green-blind)

#003371

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c3372;
/* rgb */ color: rgb(28, 51, 114);
/* oklch */ color: oklch(34.2% 0.113 265.6);

Tailwind

colors: {
  custom: {
    50: '#656a9b',
    500: '#1c3372',
    950: '#000000',
  },
}

SCSS

$custom: #1c3372;
$custom-light: #656a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3372",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 114
  },
  "hsl": {
    "h": 223.953,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34244,
    "c": 0.11259,
    "h": 265.6
  },
  "luminance": 0.03829
}

Semantic roles & 50–950 ramp

primary

#1C3372

secondary

#A68C43

accent

#B944E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1C3372

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

Preview Lab → · Contrast checker → · Palette generator →