#291B7D#291B7D

#291B7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.154 H 279.4°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#291B7D
RGB	rgb(41, 27, 125)
HSL	hsl(249, 64%, 30%)
HSV	hsv(249, 78%, 49%)
CMYK	cmyk(67.2%, 78.4%, 0%, 51%)
CIE-LAB	lab(18.95, 36.78, -52.78)
CIE-LCH	lch(18.95, 64.33, 304.87°)
OKLab	oklab(31.75% 0.0253 -0.1524)
OKLCH	oklch(31.75% 0.154 279.4)
XYZ	xyz(5.0069, 2.7355, 19.6622)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291B7D #6F7D1B

analogous

#1B3E7D #291B7D #5A1B7D

triadic

#291B7D #7D291B #1B7D29

tetradic

#291B7D #7D1B3E #6F7D1B #1B7D5A

square

#291B7D #7D1B3E #6F7D1B #1B7D5A

split-complementary

#291B7D #7D5A1B #3E7D1B

monochromatic

#080519 #18104B #291B7D #3A26AF #533DD5

Accessibility & contrast

On white

13.57

#291B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#291B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291B7D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291B7D	#FFFFFF	#000000	##FFFFFF
##291B7D	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)

#003280

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #291b7d;
/* rgb */ color: rgb(41, 27, 125);
/* oklch */ color: oklch(31.7% 0.154 279.4);

Tailwind

colors: {
  custom: {
    50: '#6f5aa4',
    500: '#291b7d',
    950: '#000000',
  },
}

SCSS

$custom: #291b7d;
$custom-light: #6f5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#291b7d",
  "rgb": {
    "r": 41,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 248.571,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31748,
    "c": 0.15447,
    "h": 279.4
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#291B7D

secondary

#A1B143

accent

#E740D0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #291B7D

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

Preview Lab → · Contrast checker → · Palette generator →