#1D4593#1D4593

#1D4593 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.0% C 0.137 H 261.9°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D4593
RGB	rgb(29, 69, 147)
HSL	hsl(220, 67%, 35%)
HSV	hsv(220, 80%, 58%)
CMYK	cmyk(80.3%, 53.1%, 0%, 42.4%)
CIE-LAB	lab(30.93, 15.90, -46.96)
CIE-LCH	lch(30.93, 49.58, 288.71°)
OKLab	oklab(41% -0.0192 -0.1353)
OKLCH	oklch(41% 0.137 261.9)
XYZ	xyz(7.8994, 6.6231, 28.4602)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4593 #936B1D

analogous

#1D8093 #1D4593 #301D93

triadic

#1D4593 #931D45 #45931D

tetradic

#1D4593 #931D80 #936B1D #1D9330

square

#1D4593 #931D80 #936B1D #1D9330

split-complementary

#1D4593 #93301D #80931D

monochromatic

#09152D #132D60 #1D4593 #275DC6 #4E7EDC

Accessibility & contrast

On white

9.03

#1D4593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1D4593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4593

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4593	#FFFFFF	#000000	##FFFFFF
##1D4593	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4E96

Deuteranopia (green-blind)

#004491

Tritanopia (blue-blind)

#005865

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4593;
/* rgb */ color: rgb(29, 69, 147);
/* oklch */ color: oklch(41.0% 0.137 261.9);

Tailwind

colors: {
  custom: {
    50: '#6d78b3',
    500: '#1d4593',
    950: '#000000',
  },
}

SCSS

$custom: #1d4593;
$custom-light: #6d78b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4593",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 147
  },
  "hsl": {
    "h": 219.661,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41002,
    "c": 0.13661,
    "h": 261.9
  },
  "luminance": 0.06624
}

Semantic roles & 50–950 ramp

primary

#1D4593

secondary

#BF984D

accent

#B03EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4593

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

Preview Lab → · Contrast checker → · Palette generator →