#1D2474#1D2474

#1D2474 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.135 H 271.9°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D2474
RGB	rgb(29, 36, 116)
HSL	hsl(235, 60%, 28%)
HSV	hsv(235, 75%, 45%)
CMYK	cmyk(75%, 69%, 0%, 54.5%)
CIE-LAB	lab(19.16, 26.48, -46.72)
CIE-LCH	lch(19.16, 53.70, 299.54°)
OKLab	oklab(31.38% 0.0046 -0.135)
OKLCH	oklch(31.38% 0.135 271.9)
XYZ	xyz(4.2889, 2.7835, 16.8308)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2474 #746D1D

analogous

#1D4F74 #1D2474 #411D74

triadic

#1D2474 #741D24 #24741D

tetradic

#1D2474 #741D4F #746D1D #1D7441

square

#1D2474 #741D4F #746D1D #1D7441

split-complementary

#1D2474 #74411D #4F741D

monochromatic

#060818 #111543 #1D2474 #2933A5 #3D49CE

Accessibility & contrast

On white

13.49

#1D2474 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D2474 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2474

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2474	#FFFFFF	#000000	##FFFFFF
##1D2474	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003377

Deuteranopia (green-blind)

#002A72

Tritanopia (blue-blind)

#003948

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2474;
/* rgb */ color: rgb(29, 36, 116);
/* oklch */ color: oklch(31.4% 0.135 271.9);

Tailwind

colors: {
  custom: {
    50: '#675f9d',
    500: '#1d2474',
    950: '#000000',
  },
}

SCSS

$custom: #1d2474;
$custom-light: #675f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2474",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 116
  },
  "hsl": {
    "h": 235.172,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31381,
    "c": 0.13513,
    "h": 271.9
  },
  "luminance": 0.02784
}

Semantic roles & 50–950 ramp

primary

#1D2474

secondary

#A8A045

accent

#D645E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2474

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

Preview Lab → · Contrast checker → · Palette generator →