#291E9B#291E9B

#291E9B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.189 H 274.8°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#291E9B
RGB	rgb(41, 30, 155)
HSL	hsl(245, 68%, 36%)
HSV	hsv(245, 81%, 61%)
CMYK	cmyk(73.5%, 80.6%, 0%, 39.2%)
CIE-LAB	lab(22.88, 44.88, -65.02)
CIE-LCH	lch(22.88, 79.01, 304.61°)
OKLab	oklab(35.49% 0.0159 -0.188)
OKLCH	oklch(35.49% 0.189 274.8)
XYZ	xyz(7.2932, 3.7658, 31.3465)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291E9B #909B1E

analogous

#1E529B #291E9B #681E9B

triadic

#291E9B #9B291E #1E9B29

tetradic

#291E9B #9B1E52 #909B1E #1E9B68

square

#291E9B #9B1E52 #909B1E #1E9B68

split-complementary

#291E9B #9B681E #529B1E

monochromatic

#0E0A34 #1B1468 #291E9B #3728CE #6155DE

Accessibility & contrast

On white

11.98

#291E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#291E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291E9B

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291E9B	#FFFFFF	#000000	##FFFFFF
##291E9B	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003199

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #291e9b;
/* rgb */ color: rgb(41, 30, 155);
/* oklch */ color: oklch(35.5% 0.189 274.8);

Tailwind

colors: {
  custom: {
    50: '#765dba',
    500: '#291e9b',
    950: '#000000',
  },
}

SCSS

$custom: #291e9b;
$custom-light: #765dba;
$custom-dark: #000000;

JSON

{
  "hex": "#291e9b",
  "rgb": {
    "r": 41,
    "g": 30,
    "b": 155
  },
  "hsl": {
    "h": 245.28,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35494,
    "c": 0.18871,
    "h": 274.8
  },
  "luminance": 0.03767
}

Semantic roles & 50–950 ramp

primary

#291E9B

secondary

#B8C253

accent

#EA3DDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #291E9B

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

Preview Lab → · Contrast checker → · Palette generator →