#1D4089#1D4089

#1D4089 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.129 H 262.7°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D4089
RGB	rgb(29, 64, 137)
HSL	hsl(221, 65%, 33%)
HSV	hsv(221, 79%, 54%)
CMYK	cmyk(78.8%, 53.3%, 0%, 46.3%)
CIE-LAB	lab(28.73, 15.31, -44.37)
CIE-LCH	lch(28.73, 46.94, 289.04°)
OKLab	oklab(39.09% -0.0164 -0.1277)
OKLCH	oklch(39.09% 0.129 262.7)
XYZ	xyz(6.8538, 5.7334, 24.4075)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4089 #89661D

analogous

#1D7689 #1D4089 #301D89

triadic

#1D4089 #891D40 #40891D

tetradic

#1D4089 #891D76 #89661D #1D8930

square

#1D4089 #891D76 #89661D #1D8930

split-complementary

#1D4089 #89301D #76891D

monochromatic

#081124 #122856 #1D4089 #2858BC #4877D8

Accessibility & contrast

On white

9.78

#1D4089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1D4089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4089

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4089	#FFFFFF	#000000	##FFFFFF
##1D4089	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F498C

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4089;
/* rgb */ color: rgb(29, 64, 137);
/* oklch */ color: oklch(39.1% 0.129 262.7);

Tailwind

colors: {
  custom: {
    50: '#6a74ac',
    500: '#1d4089',
    950: '#000000',
  },
}

SCSS

$custom: #1d4089;
$custom-light: #6a74ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4089",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 137
  },
  "hsl": {
    "h": 220.556,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39088,
    "c": 0.12879,
    "h": 262.7
  },
  "luminance": 0.05734
}

Semantic roles & 50–950 ramp

primary

#1D4089

secondary

#BA9547

accent

#B240E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4089

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

Preview Lab → · Contrast checker → · Palette generator →