#241B81#241B81

#241B81 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.161 H 276.1°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#241B81
RGB	rgb(36, 27, 129)
HSL	hsl(245, 65%, 31%)
HSV	hsv(245, 79%, 51%)
CMYK	cmyk(72.1%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(18.99, 37.55, -55.28)
CIE-LCH	lch(18.99, 66.83, 304.19°)
OKLab	oklab(31.8% 0.017 -0.1598)
OKLCH	oklch(31.8% 0.161 276.1)
XYZ	xyz(5.0806, 2.7434, 21.0264)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#241B81 #78811B

analogous

#1B4581 #241B81 #571B81

triadic

#241B81 #81241B #1B8124

tetradic

#241B81 #811B45 #78811B #1B8157

square

#241B81 #811B45 #78811B #1B8157

split-complementary

#241B81 #81571B #45811B

monochromatic

#08061C #16104E #241B81 #3226B4 #4D3FD7

Accessibility & contrast

On white

13.56

#241B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#241B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #241B81

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##241B81	#FFFFFF	#000000	##FFFFFF
##241B81	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003284

Deuteranopia (green-blind)

#002A7F

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #241b81;
/* rgb */ color: rgb(36, 27, 129);
/* oklch */ color: oklch(31.8% 0.161 276.1);

Tailwind

colors: {
  custom: {
    50: '#6e5aa7',
    500: '#241b81',
    950: '#000000',
  },
}

SCSS

$custom: #241b81;
$custom-light: #6e5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#241b81",
  "rgb": {
    "r": 36,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 245.294,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31799,
    "c": 0.16071,
    "h": 276.1
  },
  "luminance": 0.02744
}

Semantic roles & 50–950 ramp

primary

#241B81

secondary

#ABB543

accent

#E83FD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #241B81

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

Preview Lab → · Contrast checker → · Palette generator →