#1C1977#1C1977

#1C1977 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.152 H 273.5°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C1977
RGB	rgb(28, 25, 119)
HSL	hsl(242, 65%, 28%)
HSV	hsv(242, 79%, 47%)
CMYK	cmyk(76.5%, 79%, 0%, 53.3%)
CIE-LAB	lab(16.86, 34.49, -52.43)
CIE-LCH	lch(16.86, 62.76, 303.34°)
OKLab	oklab(29.81% 0.0094 -0.1517)
OKLCH	oklch(29.81% 0.152 273.5)
XYZ	xyz(4.1552, 2.2736, 17.6691)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1977 #747719

analogous

#194577 #1C1977 #4B1977

triadic

#1C1977 #771C19 #19771C

tetradic

#1C1977 #771945 #747719 #19774B

square

#1C1977 #771945 #747719 #19774B

split-complementary

#1C1977 #774B19 #457719

monochromatic

#060519 #100E44 #1C1977 #2824AA #3B36D5

Accessibility & contrast

On white

14.43

#1C1977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1C1977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1977

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1977	#FFFFFF	#000000	##FFFFFF
##1C1977	1.00	14.43	1.45	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7A

Deuteranopia (green-blind)

#002575

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1c1977;
/* rgb */ color: rgb(28, 25, 119);
/* oklch */ color: oklch(29.8% 0.152 273.5);

Tailwind

colors: {
  custom: {
    50: '#69579f',
    500: '#1c1977',
    950: '#000000',
  },
}

SCSS

$custom: #1c1977;
$custom-light: #69579f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1977",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 119
  },
  "hsl": {
    "h": 241.915,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29814,
    "c": 0.15198,
    "h": 273.5
  },
  "luminance": 0.02274
}

Semantic roles & 50–950 ramp

primary

#1C1977

secondary

#A8AC40

accent

#E840E3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1C1977

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

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