#1D3079#1D3079

#1D3079 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.2% C 0.127 H 267.9°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#1D3079
RGB	rgb(29, 48, 121)
HSL	hsl(228, 61%, 29%)
HSV	hsv(228, 76%, 47%)
CMYK	cmyk(76%, 60.3%, 0%, 52.5%)
CIE-LAB	lab(22.84, 20.08, -43.89)
CIE-LCH	lch(22.84, 48.27, 294.59°)
OKLab	oklab(34.25% -0.0046 -0.1266)
OKLCH	oklch(34.25% 0.127 267.9)
XYZ	xyz(5.0136, 3.7551, 18.5460)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3079 #79661D

analogous

#1D5E79 #1D3079 #381D79

triadic

#1D3079 #791D30 #30791D

tetradic

#1D3079 #791D5E #79661D #1D7938

square

#1D3079 #791D5E #79661D #1D7938

split-complementary

#1D3079 #79381D #5E791D

monochromatic

#060A19 #111C48 #1D3079 #2944AA #3F5DD1

Accessibility & contrast

On white

11.99

#1D3079 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1D3079 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3079

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3079	#FFFFFF	#000000	##FFFFFF
##1D3079	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#003278

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d3079;
/* rgb */ color: rgb(29, 48, 121);
/* oklch */ color: oklch(34.2% 0.127 267.9);

Tailwind

colors: {
  custom: {
    50: '#6768a0',
    500: '#1d3079',
    950: '#000000',
  },
}

SCSS

$custom: #1d3079;
$custom-light: #6768a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3079",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 121
  },
  "hsl": {
    "h": 227.609,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34246,
    "c": 0.1267,
    "h": 267.9
  },
  "luminance": 0.03756
}

Semantic roles & 50–950 ramp

primary

#1D3079

secondary

#AD9745

accent

#C343E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1D3079

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

Preview Lab → · Contrast checker → · Palette generator →