#1D3089#1D3089

#1D3089 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.149 H 268.2°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D3089
RGB	rgb(29, 48, 137)
HSL	hsl(229, 65%, 33%)
HSV	hsv(229, 79%, 54%)
CMYK	cmyk(78.8%, 65%, 0%, 46.3%)
CIE-LAB	lab(24.26, 26.41, -51.65)
CIE-LCH	lch(24.26, 58.01, 297.08°)
OKLab	oklab(35.74% -0.0046 -0.1494)
OKLCH	oklch(35.74% 0.149 268.2)
XYZ	xyz(6.0774, 4.1806, 24.1487)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3089 #89761D

analogous

#1D6689 #1D3089 #401D89

triadic

#1D3089 #891D30 #30891D

tetradic

#1D3089 #891D66 #89761D #1D8940

square

#1D3089 #891D66 #89761D #1D8940

split-complementary

#1D3089 #89401D #66891D

monochromatic

#080D24 #121E56 #1D3089 #2842BC #4861D8

Accessibility & contrast

On white

11.44

#1D3089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D3089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3089

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3089	#FFFFFF	#000000	##FFFFFF
##1D3089	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8C

Deuteranopia (green-blind)

#003587

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d3089;
/* rgb */ color: rgb(29, 48, 137);
/* oklch */ color: oklch(35.7% 0.149 268.2);

Tailwind

colors: {
  custom: {
    50: '#6c68ac',
    500: '#1d3089',
    950: '#000000',
  },
}

SCSS

$custom: #1d3089;
$custom-light: #6c68ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3089",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 137
  },
  "hsl": {
    "h": 229.444,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35736,
    "c": 0.14945,
    "h": 268.2
  },
  "luminance": 0.04181
}

Semantic roles & 50–950 ramp

primary

#1D3089

secondary

#BAA647

accent

#CA40E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D3089

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

Preview Lab → · Contrast checker → · Palette generator →