#1D4787#1D4787

#1D4787 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.5% C 0.117 H 258.8°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D4787
RGB	rgb(29, 71, 135)
HSL	hsl(216, 65%, 32%)
HSV	hsv(216, 79%, 53%)
CMYK	cmyk(78.5%, 47.4%, 0%, 47.1%)
CIE-LAB	lab(30.68, 9.69, -39.99)
CIE-LCH	lch(30.68, 41.15, 283.61°)
OKLab	oklab(40.54% -0.0227 -0.1147)
OKLCH	oklch(40.54% 0.117 258.8)
XYZ	xyz(7.1315, 6.5161, 23.7989)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4787 #875D1D

analogous

#1D7C87 #1D4787 #281D87

triadic

#1D4787 #871D47 #47871D

tetradic

#1D4787 #871D7C #875D1D #1D8728

square

#1D4787 #871D7C #875D1D #1D8728

split-complementary

#1D4787 #87281D #7C871D

monochromatic

#071222 #122D55 #1D4787 #2861B9 #4780D7

Accessibility & contrast

On white

9.12

#1D4787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D4787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4787

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4787	#FFFFFF	#000000	##FFFFFF
##1D4787	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254D89

Deuteranopia (green-blind)

#0C4486

Tritanopia (blue-blind)

#005660

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4787;
/* rgb */ color: rgb(29, 71, 135);
/* oklch */ color: oklch(40.5% 0.117 258.8);

Tailwind

colors: {
  custom: {
    50: '#6a79aa',
    500: '#1d4787',
    950: '#000000',
  },
}

SCSS

$custom: #1d4787;
$custom-light: #6a79aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4787",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 135
  },
  "hsl": {
    "h": 216.226,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40536,
    "c": 0.11695,
    "h": 258.8
  },
  "luminance": 0.06517
}

Semantic roles & 50–950 ramp

primary

#1D4787

secondary

#B98C46

accent

#A540E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1D4787

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

Preview Lab → · Contrast checker → · Palette generator →