#1D4887#1D4887

#1D4887 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.116 H 258.3°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1D4887
RGB	rgb(29, 72, 135)
HSL	hsl(216, 65%, 32%)
HSV	hsv(216, 79%, 53%)
CMYK	cmyk(78.5%, 46.7%, 0%, 47.1%)
CIE-LAB	lab(30.98, 9.00, -39.50)
CIE-LCH	lch(30.98, 40.52, 282.84°)
OKLab	oklab(40.77% -0.0236 -0.1133)
OKLCH	oklch(40.77% 0.116 258.3)
XYZ	xyz(7.1956, 6.6444, 23.8202)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4887 #875C1D

analogous

#1D7D87 #1D4887 #271D87

triadic

#1D4887 #871D48 #48871D

tetradic

#1D4887 #871D7D #875C1D #1D8727

square

#1D4887 #871D7D #875C1D #1D8727

split-complementary

#1D4887 #87271D #7D871D

monochromatic

#071222 #122D55 #1D4887 #2863B9 #4782D7

Accessibility & contrast

On white

9.02

#1D4887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4887

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4887	#FFFFFF	#000000	##FFFFFF
##1D4887	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274E89

Deuteranopia (green-blind)

#104486

Tritanopia (blue-blind)

#005761

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4887;
/* rgb */ color: rgb(29, 72, 135);
/* oklch */ color: oklch(40.8% 0.116 258.3);

Tailwind

colors: {
  custom: {
    50: '#6a7aaa',
    500: '#1d4887',
    950: '#000000',
  },
}

SCSS

$custom: #1d4887;
$custom-light: #6a7aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4887",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 135
  },
  "hsl": {
    "h": 215.66,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40771,
    "c": 0.11569,
    "h": 258.3
  },
  "luminance": 0.06645
}

Semantic roles & 50–950 ramp

primary

#1D4887

secondary

#B98B46

accent

#A440E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1D4887

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

Preview Lab → · Contrast checker → · Palette generator →