#1D1975#1D1975

#1D1975 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.149 H 274.3°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D1975
RGB	rgb(29, 25, 117)
HSL	hsl(243, 65%, 28%)
HSV	hsv(243, 79%, 46%)
CMYK	cmyk(75.2%, 78.6%, 0%, 54.1%)
CIE-LAB	lab(16.70, 33.89, -51.41)
CIE-LCH	lch(16.70, 61.57, 303.39°)
OKLab	oklab(29.65% 0.0111 -0.1487)
OKLCH	oklch(29.65% 0.149 274.3)
XYZ	xyz(4.0641, 2.2404, 17.0444)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1975 #717519

analogous

#194375 #1D1975 #4B1975

triadic

#1D1975 #751D19 #19751D

tetradic

#1D1975 #751943 #717519 #19754B

square

#1D1975 #751943 #717519 #19754B

split-complementary

#1D1975 #754B19 #437519

monochromatic

#060519 #110E43 #1D1975 #2924A7 #3C35D4

Accessibility & contrast

On white

14.50

#1D1975 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1D1975 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1975

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1975	#FFFFFF	#000000	##FFFFFF
##1D1975	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D78

Deuteranopia (green-blind)

#002573

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d1975;
/* rgb */ color: rgb(29, 25, 117);
/* oklch */ color: oklch(29.7% 0.149 274.3);

Tailwind

colors: {
  custom: {
    50: '#69579e',
    500: '#1d1975',
    950: '#000000',
  },
}

SCSS

$custom: #1d1975;
$custom-light: #69579e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1975",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 117
  },
  "hsl": {
    "h": 242.609,
    "s": 64.789,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29651,
    "c": 0.14911,
    "h": 274.3
  },
  "luminance": 0.02241
}

Semantic roles & 50–950 ramp

primary

#1D1975

secondary

#A5AA40

accent

#E840E0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1975

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

Preview Lab → · Contrast checker → · Palette generator →