#1C1979#1C1979

#1C1979 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.155 H 273.3°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C1979
RGB	rgb(28, 25, 121)
HSL	hsl(242, 66%, 29%)
HSV	hsv(242, 79%, 47%)
CMYK	cmyk(76.9%, 79.3%, 0%, 52.5%)
CIE-LAB	lab(17.09, 35.19, -53.33)
CIE-LCH	lch(17.09, 63.89, 303.42°)
OKLab	oklab(30.05% 0.0089 -0.1543)
OKLCH	oklch(30.05% 0.155 273.3)
XYZ	xyz(4.2766, 2.3222, 18.3083)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1979 #767919

analogous

#194679 #1C1979 #4C1979

triadic

#1C1979 #791C19 #19791C

tetradic

#1C1979 #791946 #767919 #19794C

square

#1C1979 #791946 #767919 #19794C

split-complementary

#1C1979 #794C19 #467919

monochromatic

#060519 #100F46 #1C1979 #2823AC #3C37D6

Accessibility & contrast

On white

14.34

#1C1979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1C1979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1979

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1979	#FFFFFF	#000000	##FFFFFF
##1C1979	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7C

Deuteranopia (green-blind)

#002577

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1c1979;
/* rgb */ color: rgb(28, 25, 121);
/* oklch */ color: oklch(30.0% 0.155 273.3);

Tailwind

colors: {
  custom: {
    50: '#6957a1',
    500: '#1c1979',
    950: '#000000',
  },
}

SCSS

$custom: #1c1979;
$custom-light: #6957a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1979",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 121
  },
  "hsl": {
    "h": 241.875,
    "s": 65.753,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30047,
    "c": 0.15457,
    "h": 273.3
  },
  "luminance": 0.02323
}

Semantic roles & 50–950 ramp

primary

#1C1979

secondary

#AAAE40

accent

#E93FE3

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1C1979

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

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