#1D3F96#1D3F96

#1D3F96 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.149 H 264.4°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#1D3F96
RGB	rgb(29, 63, 150)
HSL	hsl(223, 68%, 35%)
HSV	hsv(223, 81%, 59%)
CMYK	cmyk(80.7%, 58%, 0%, 41.2%)
CIE-LAB	lab(29.46, 21.23, -51.19)
CIE-LCH	lch(29.46, 55.42, 292.53°)
OKLab	oklab(39.96% -0.0145 -0.1478)
OKLCH	oklch(39.96% 0.149 264.4)
XYZ	xyz(7.7873, 6.0173, 29.5993)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3F96 #96741D

analogous

#1D7C96 #1D3F96 #371D96

triadic

#1D3F96 #961D3F #3F961D

tetradic

#1D3F96 #961D7C #96741D #1D9637

square

#1D3F96 #961D7C #96741D #1D9637

split-complementary

#1D3F96 #96371D #7C961D

monochromatic

#09142F #132963 #1D3F96 #2755C9 #5078DD

Accessibility & contrast

On white

9.53

#1D3F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1D3F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3F96

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3F96	#FFFFFF	#000000	##FFFFFF
##1D3F96	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B99

Deuteranopia (green-blind)

#004094

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d3f96;
/* rgb */ color: rgb(29, 63, 150);
/* oklch */ color: oklch(40.0% 0.149 264.4);

Tailwind

colors: {
  custom: {
    50: '#6e73b6',
    500: '#1d3f96',
    950: '#000000',
  },
}

SCSS

$custom: #1d3f96;
$custom-light: #6e73b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3f96",
  "rgb": {
    "r": 29,
    "g": 63,
    "b": 150
  },
  "hsl": {
    "h": 223.14,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39957,
    "c": 0.14852,
    "h": 264.4
  },
  "luminance": 0.06018
}

Semantic roles & 50–950 ramp

primary

#1D3F96

secondary

#C0A04F

accent

#BA3DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D3F96

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

Preview Lab → · Contrast checker → · Palette generator →