#291B7E#291B7E

#291B7E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.156 H 279.2°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#291B7E
RGB	rgb(41, 27, 126)
HSL	hsl(248, 65%, 30%)
HSV	hsv(248, 79%, 49%)
CMYK	cmyk(67.5%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(19.06, 37.11, -53.24)
CIE-LCH	lch(19.06, 64.90, 304.87°)
OKLab	oklab(31.86% 0.025 -0.1537)
OKLCH	oklch(31.86% 0.156 279.2)
XYZ	xyz(5.0711, 2.7612, 20.0004)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B7E #707E1B

analogous

#1B3E7E #291B7E #5B1B7E

triadic

#291B7E #7E291B #1B7E29

tetradic

#291B7E #7E1B3E #707E1B #1B7E5B

square

#291B7E #7E1B3E #707E1B #1B7E5B

split-complementary

#291B7E #7E5B1B #3E7E1B

monochromatic

#080519 #19104C #291B7E #3926B0 #533ED6

Accessibility & contrast

On white

13.53

#291B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#291B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B7E

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B7E	#FFFFFF	#000000	##FFFFFF
##291B7E	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291b7e;
/* rgb */ color: rgb(41, 27, 126);
/* oklch */ color: oklch(31.9% 0.156 279.2);

Tailwind

colors: {
  custom: {
    50: '#705aa4',
    500: '#291b7e',
    950: '#000000',
  },
}

SCSS

$custom: #291b7e;
$custom-light: #705aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#291b7e",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 248.485,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.31857,
    "c": 0.15574,
    "h": 279.2
  },
  "luminance": 0.02762
}

Semantic roles & 50–950 ramp

primary

#291B7E

secondary

#A2B243

accent

#E840D0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291B7E

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

Preview Lab → · Contrast checker → · Palette generator →