#1D1977#1D1977

#1D1977 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.152 H 274.0°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D1977
RGB	rgb(29, 25, 119)
HSL	hsl(243, 65%, 28%)
HSV	hsv(243, 79%, 47%)
CMYK	cmyk(75.6%, 79%, 0%, 53.3%)
CIE-LAB	lab(16.93, 34.58, -52.31)
CIE-LCH	lch(16.93, 62.71, 303.47°)
OKLab	oklab(29.88% 0.0107 -0.1513)
OKLCH	oklch(29.88% 0.152 274)
XYZ	xyz(4.1830, 2.2880, 17.6704)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1977 #737719

analogous

#194477 #1D1977 #4C1977

triadic

#1D1977 #771D19 #19771D

tetradic

#1D1977 #771944 #737719 #19774C

square

#1D1977 #771944 #737719 #19774C

split-complementary

#1D1977 #774C19 #447719

monochromatic

#060519 #110E44 #1D1977 #2924AA #3C36D5

Accessibility & contrast

On white

14.41

#1D1977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1D1977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1977

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1977	#FFFFFF	#000000	##FFFFFF
##1D1977	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	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: #1d1977;
/* rgb */ color: rgb(29, 25, 119);
/* oklch */ color: oklch(29.9% 0.152 274.0);

Tailwind

colors: {
  custom: {
    50: '#69579f',
    500: '#1d1977',
    950: '#000000',
  },
}

SCSS

$custom: #1d1977;
$custom-light: #69579f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1977",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 119
  },
  "hsl": {
    "h": 242.553,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29881,
    "c": 0.15171,
    "h": 274
  },
  "luminance": 0.02288
}

Semantic roles & 50–950 ramp

primary

#1D1977

secondary

#A7AC40

accent

#E840E1

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1D1977

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

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