#1C3193#1C3193

#1C3193 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.9% C 0.162 H 267.7°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#1C3193
RGB	rgb(28, 49, 147)
HSL	hsl(229, 68%, 34%)
HSV	hsv(229, 81%, 58%)
CMYK	cmyk(81%, 66.7%, 0%, 42.4%)
CIE-LAB	lab(25.41, 29.50, -55.96)
CIE-LCH	lch(25.41, 63.26, 297.80°)
OKLab	oklab(36.86% -0.0065 -0.162)
OKLCH	oklch(36.86% 0.162 267.7)
XYZ	xyz(6.8418, 4.5493, 28.1156)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3193 #937E1C

analogous

#1C6D93 #1C3193 #431C93

triadic

#1C3193 #931C31 #31931C

tetradic

#1C3193 #931C6D #937E1C #1C9343

square

#1C3193 #931C6D #937E1C #1C9343

split-complementary

#1C3193 #93431C #6D931C

monochromatic

#080F2C #122060 #1C3193 #2642C6 #4C66DD

Accessibility & contrast

On white

10.99

#1C3193 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1C3193 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3193

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3193	#FFFFFF	#000000	##FFFFFF
##1C3193	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004296

Deuteranopia (green-blind)

#003791

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c3193;
/* rgb */ color: rgb(28, 49, 147);
/* oklch */ color: oklch(36.9% 0.162 267.7);

Tailwind

colors: {
  custom: {
    50: '#6e69b4',
    500: '#1c3193',
    950: '#000000',
  },
}

SCSS

$custom: #1c3193;
$custom-light: #6e69b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3193",
  "rgb": {
    "r": 28,
    "g": 49,
    "b": 147
  },
  "hsl": {
    "h": 229.412,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36857,
    "c": 0.16213,
    "h": 267.7
  },
  "luminance": 0.0455
}

Semantic roles & 50–950 ramp

primary

#1C3193

secondary

#BFAB4C

accent

#CC3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C3193

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

Preview Lab → · Contrast checker → · Palette generator →