#1D4487#1D4487

#1D4487 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.121 H 260.5°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D4487
RGB	rgb(29, 68, 135)
HSL	hsl(218, 65%, 32%)
HSV	hsv(218, 79%, 53%)
CMYK	cmyk(78.5%, 49.6%, 0%, 47.1%)
CIE-LAB	lab(29.77, 11.74, -41.45)
CIE-LCH	lch(29.77, 43.08, 285.81°)
OKLab	oklab(39.84% -0.02 -0.1191)
OKLCH	oklch(39.84% 0.121 260.5)
XYZ	xyz(6.9454, 6.1439, 23.7368)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4487 #87601D

analogous

#1D7987 #1D4487 #2B1D87

triadic

#1D4487 #871D44 #44871D

tetradic

#1D4487 #871D79 #87601D #1D872B

square

#1D4487 #871D79 #87601D #1D872B

split-complementary

#1D4487 #872B1D #79871D

monochromatic

#071122 #122B55 #1D4487 #285DB9 #477CD7

Accessibility & contrast

On white

9.42

#1D4487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1D4487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4487

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4487	#FFFFFF	#000000	##FFFFFF
##1D4487	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4B89

Deuteranopia (green-blind)

#004286

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4487;
/* rgb */ color: rgb(29, 68, 135);
/* oklch */ color: oklch(39.8% 0.121 260.5);

Tailwind

colors: {
  custom: {
    50: '#6a77aa',
    500: '#1d4487',
    950: '#000000',
  },
}

SCSS

$custom: #1d4487;
$custom-light: #6a77aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4487",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 135
  },
  "hsl": {
    "h": 217.925,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39839,
    "c": 0.12074,
    "h": 260.5
  },
  "luminance": 0.06145
}

Semantic roles & 50–950 ramp

primary

#1D4487

secondary

#B98F46

accent

#AA40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4487

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

Preview Lab → · Contrast checker → · Palette generator →