#1D3091#1D3091

#1D3091 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.160 H 268.2°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D3091
RGB	rgb(29, 48, 145)
HSL	hsl(230, 67%, 34%)
HSV	hsv(230, 80%, 57%)
CMYK	cmyk(80%, 66.9%, 0%, 43.1%)
CIE-LAB	lab(25.01, 29.50, -55.38)
CIE-LCH	lch(25.01, 62.75, 298.04°)
OKLab	oklab(36.52% -0.005 -0.1603)
OKLCH	oklch(36.52% 0.16 268.2)
XYZ	xyz(6.6727, 4.4187, 27.2838)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3091 #917E1D

analogous

#1D6A91 #1D3091 #441D91

triadic

#1D3091 #911D30 #30911D

tetradic

#1D3091 #911D6A #917E1D #1D9144

square

#1D3091 #911D6A #917E1D #1D9144

split-complementary

#1D3091 #91441D #6A911D

monochromatic

#090E2B #131F5E #1D3091 #2741C4 #4D64DB

Accessibility & contrast

On white

11.15

#1D3091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1D3091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3091

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3091	#FFFFFF	#000000	##FFFFFF
##1D3091	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004194

Deuteranopia (green-blind)

#00368F

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d3091;
/* rgb */ color: rgb(29, 48, 145);
/* oklch */ color: oklch(36.5% 0.160 268.2);

Tailwind

colors: {
  custom: {
    50: '#6e68b2',
    500: '#1d3091',
    950: '#000000',
  },
}

SCSS

$custom: #1d3091;
$custom-light: #6e68b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3091",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 145
  },
  "hsl": {
    "h": 230.172,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36518,
    "c": 0.16038,
    "h": 268.2
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#1D3091

secondary

#BEAB4C

accent

#CE3EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D3091

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

Preview Lab → · Contrast checker → · Palette generator →