#1C3091#1C3091

#1C3091 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.161 H 267.9°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C3091
RGB	rgb(28, 48, 145)
HSL	hsl(230, 68%, 34%)
HSV	hsv(230, 81%, 57%)
CMYK	cmyk(80.7%, 66.9%, 0%, 43.1%)
CIE-LAB	lab(24.97, 29.40, -55.46)
CIE-LCH	lch(24.97, 62.77, 297.93°)
OKLab	oklab(36.47% -0.0059 -0.1605)
OKLCH	oklch(36.47% 0.161 267.9)
XYZ	xyz(6.6449, 4.4044, 27.2825)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3091 #917D1C

analogous

#1C6B91 #1C3091 #431C91

triadic

#1C3091 #911C30 #30911C

tetradic

#1C3091 #911C6B #917D1C #1C9143

square

#1C3091 #911C6B #917D1C #1C9143

split-complementary

#1C3091 #91431C #6B911C

monochromatic

#080E2A #121F5E #1C3091 #2641C4 #4B64DC

Accessibility & contrast

On white

11.16

#1C3091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1C3091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3091

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3091	#FFFFFF	#000000	##FFFFFF
##1C3091	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004194

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c3091;
/* rgb */ color: rgb(28, 48, 145);
/* oklch */ color: oklch(36.5% 0.161 267.9);

Tailwind

colors: {
  custom: {
    50: '#6d68b2',
    500: '#1c3091',
    950: '#000000',
  },
}

SCSS

$custom: #1c3091;
$custom-light: #6d68b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3091",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 145
  },
  "hsl": {
    "h": 229.744,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36473,
    "c": 0.16065,
    "h": 267.9
  },
  "luminance": 0.04405
}

Semantic roles & 50–950 ramp

primary

#1C3091

secondary

#BEAB4A

accent

#CD3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C3091

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

Preview Lab → · Contrast checker → · Palette generator →