#1D4EA0#1D4EA0

#1D4EA0 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.143 H 260.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D4EA0
RGB	rgb(29, 78, 160)
HSL	hsl(218, 69%, 37%)
HSV	hsv(218, 82%, 63%)
CMYK	cmyk(81.9%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(34.49, 15.00, -49.08)
CIE-LCH	lch(34.49, 51.32, 287.00°)
OKLab	oklab(44.02% -0.0244 -0.1413)
OKLCH	oklch(44.02% 0.143 260.2)
XYZ	xyz(9.5739, 8.2469, 34.3381)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4EA0 #A06F1D

analogous

#1D90A0 #1D4EA0 #2D1DA0

triadic

#1D4EA0 #A01D4E #4EA01D

tetradic

#1D4EA0 #A01D90 #A06F1D #1DA02D

square

#1D4EA0 #A01D90 #A06F1D #1DA02D

split-complementary

#1D4EA0 #A02D1D #90A01D

monochromatic

#0A1B38 #14356C #1D4EA0 #2667D4 #578AE1

Accessibility & contrast

On white

7.93

#1D4EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1D4EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4EA0

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4EA0	#FFFFFF	#000000	##FFFFFF
##1D4EA0	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A57A3

Deuteranopia (green-blind)

#004C9E

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d4ea0;
/* rgb */ color: rgb(29, 78, 160);
/* oklch */ color: oklch(44.0% 0.143 260.2);

Tailwind

colors: {
  custom: {
    50: '#6f7ebd',
    500: '#1d4ea0',
    950: '#000000',
  },
}

SCSS

$custom: #1d4ea0;
$custom-light: #6f7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4ea0",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 217.557,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.44019,
    "c": 0.14341,
    "h": 260.2
  },
  "luminance": 0.08248
}

Semantic roles & 50–950 ramp

primary

#1D4EA0

secondary

#C49A55

accent

#AA3CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D4EA0

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

Preview Lab → · Contrast checker → · Palette generator →