#1C1983#1C1983

#1C1983 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.167 H 272.3°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C1983
RGB	rgb(28, 25, 131)
HSL	hsl(242, 68%, 31%)
HSV	hsv(242, 81%, 51%)
CMYK	cmyk(78.6%, 80.9%, 0%, 48.6%)
CIE-LAB	lab(18.28, 38.62, -57.74)
CIE-LCH	lch(18.28, 69.46, 303.78°)
OKLab	oklab(31.23% 0.0067 -0.1671)
OKLCH	oklch(31.23% 0.167 272.3)
XYZ	xyz(4.9219, 2.5803, 21.7070)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1983 #808319

analogous

#194B83 #1C1983 #511983

triadic

#1C1983 #831C19 #19831C

tetradic

#1C1983 #83194B #808319 #198351

square

#1C1983 #83194B #808319 #198351

split-complementary

#1C1983 #835119 #4B8319

monochromatic

#06051C #110F50 #1C1983 #2723B6 #413DDA

Accessibility & contrast

On white

13.85

#1C1983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C1983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1983

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1983	#FFFFFF	#000000	##FFFFFF
##1C1983	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003286

Deuteranopia (green-blind)

#002781

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c1983;
/* rgb */ color: rgb(28, 25, 131);
/* oklch */ color: oklch(31.2% 0.167 272.3);

Tailwind

colors: {
  custom: {
    50: '#6c58a8',
    500: '#1c1983',
    950: '#000000',
  },
}

SCSS

$custom: #1c1983;
$custom-light: #6c58a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1983",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 131
  },
  "hsl": {
    "h": 241.698,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31225,
    "c": 0.16723,
    "h": 272.3
  },
  "luminance": 0.02581
}

Semantic roles & 50–950 ramp

primary

#1C1983

secondary

#B3B741

accent

#EB3DE6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1983

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

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