#291F75#291F75

#291F75 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.140 H 280.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#291F75
RGB	rgb(41, 31, 117)
HSL	hsl(247, 58%, 29%)
HSV	hsv(247, 74%, 46%)
CMYK	cmyk(65%, 73.5%, 0%, 54.1%)
CIE-LAB	lab(18.95, 31.75, -47.67)
CIE-LCH	lch(18.95, 57.27, 303.66°)
OKLab	oklab(31.5% 0.0242 -0.1375)
OKLCH	oklch(31.5% 0.14 280)
XYZ	xyz(4.6143, 2.7354, 17.1110)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291F75 #6B751F

analogous

#1F4075 #291F75 #541F75

triadic

#291F75 #75291F #1F7529

tetradic

#291F75 #751F40 #6B751F #1F7554

square

#291F75 #751F40 #6B751F #1F7554

split-complementary

#291F75 #75541F #40751F

monochromatic

#080618 #181245 #291F75 #3A2CA5 #5242CD

Accessibility & contrast

On white

13.57

#291F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#291F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291F75

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291F75	#FFFFFF	#000000	##FFFFFF
##291F75	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003178

Deuteranopia (green-blind)

#002B73

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291f75;
/* rgb */ color: rgb(41, 31, 117);
/* oklch */ color: oklch(31.5% 0.140 280.0);

Tailwind

colors: {
  custom: {
    50: '#6d5c9e',
    500: '#291f75',
    950: '#000000',
  },
}

SCSS

$custom: #291f75;
$custom-light: #6d5c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#291f75",
  "rgb": {
    "r": 41,
    "g": 31,
    "b": 117
  },
  "hsl": {
    "h": 246.977,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31495,
    "c": 0.13959,
    "h": 280
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#291F75

secondary

#9DA947

accent

#E146CF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #291F75

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

Preview Lab → · Contrast checker → · Palette generator →