#1D1983#1D1983

#1D1983 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.167 H 272.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D1983
RGB	rgb(29, 25, 131)
HSL	hsl(242, 68%, 31%)
HSV	hsv(242, 81%, 51%)
CMYK	cmyk(77.9%, 80.9%, 0%, 48.6%)
CIE-LAB	lab(18.34, 38.69, -57.63)
CIE-LCH	lch(18.34, 69.41, 303.88°)
OKLab	oklab(31.29% 0.0079 -0.1668)
OKLCH	oklch(31.29% 0.167 272.7)
XYZ	xyz(4.9497, 2.5946, 21.7083)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1983 #7F8319

analogous

#194A83 #1D1983 #521983

triadic

#1D1983 #831D19 #19831D

tetradic

#1D1983 #83194A #7F8319 #198352

square

#1D1983 #83194A #7F8319 #198352

split-complementary

#1D1983 #835219 #4A8319

monochromatic

#06051C #120F50 #1D1983 #2823B6 #423DDA

Accessibility & contrast

On white

13.82

#1D1983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1D1983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1983

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1983	#FFFFFF	#000000	##FFFFFF
##1D1983	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003286

Deuteranopia (green-blind)

#002781

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d1983;
/* rgb */ color: rgb(29, 25, 131);
/* oklch */ color: oklch(31.3% 0.167 272.7);

Tailwind

colors: {
  custom: {
    50: '#6c58a8',
    500: '#1d1983',
    950: '#000000',
  },
}

SCSS

$custom: #1d1983;
$custom-light: #6c58a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1983",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 131
  },
  "hsl": {
    "h": 242.264,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31286,
    "c": 0.16696,
    "h": 272.7
  },
  "luminance": 0.02595
}

Semantic roles & 50–950 ramp

primary

#1D1983

secondary

#B2B741

accent

#EB3DE4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1983

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

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