#291F74#291F74

#291F74 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.138 H 280.2°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#291F74
RGB	rgb(41, 31, 116)
HSL	hsl(247, 58%, 29%)
HSV	hsv(247, 73%, 45%)
CMYK	cmyk(64.7%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(18.85, 31.40, -47.19)
CIE-LCH	lch(18.85, 56.68, 303.64°)
OKLab	oklab(31.39% 0.0244 -0.1361)
OKLCH	oklch(31.39% 0.138 280.2)
XYZ	xyz(4.5558, 2.7120, 16.8030)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F74 #6A741F

analogous

#1F4074 #291F74 #541F74

triadic

#291F74 #74291F #1F7429

tetradic

#291F74 #741F40 #6A741F #1F7454

square

#291F74 #741F40 #6A741F #1F7454

split-complementary

#291F74 #74541F #40741F

monochromatic

#090618 #181244 #291F74 #3A2CA4 #5241CC

Accessibility & contrast

On white

13.62

#291F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#291F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F74

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F74	#FFFFFF	#000000	##FFFFFF
##291F74	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003177

Deuteranopia (green-blind)

#002B72

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291f74;
/* rgb */ color: rgb(41, 31, 116);
/* oklch */ color: oklch(31.4% 0.138 280.2);

Tailwind

colors: {
  custom: {
    50: '#6d5c9d',
    500: '#291f74',
    950: '#000000',
  },
}

SCSS

$custom: #291f74;
$custom-light: #6d5c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#291f74",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 247.059,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31393,
    "c": 0.13824,
    "h": 280.2
  },
  "luminance": 0.02712
}

Semantic roles & 50–950 ramp

primary

#291F74

secondary

#9CA847

accent

#E147CF

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #291F74

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

Preview Lab → · Contrast checker → · Palette generator →