#241F9B#241F9B

#241F9B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.189 H 272.7°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#241F9B
RGB	rgb(36, 31, 155)
HSL	hsl(242, 67%, 36%)
HSV	hsv(242, 80%, 61%)
CMYK	cmyk(76.8%, 80%, 0%, 39.2%)
CIE-LAB	lab(22.73, 43.97, -65.29)
CIE-LCH	lch(22.73, 78.72, 303.96°)
OKLab	oklab(35.3% 0.009 -0.1889)
OKLCH	oklch(35.3% 0.189 272.7)
XYZ	xyz(7.1320, 3.7208, 31.3463)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#241F9B #969B1F

analogous

#1F589B #241F9B #621F9B

triadic

#241F9B #9B241F #1F9B24

tetradic

#241F9B #9B1F58 #969B1F #1F9B62

square

#241F9B #9B1F58 #969B1F #1F9B62

split-complementary

#241F9B #9B621F #589B1F

monochromatic

#0C0B35 #181568 #241F9B #3029CE #5C57DD

Accessibility & contrast

On white

12.04

#241F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#241F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #241F9B

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##241F9B	#FFFFFF	#000000	##FFFFFF
##241F9B	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #241f9b;
/* rgb */ color: rgb(36, 31, 155);
/* oklch */ color: oklch(35.3% 0.189 272.7);

Tailwind

colors: {
  custom: {
    50: '#745eba',
    500: '#241f9b',
    950: '#000000',
  },
}

SCSS

$custom: #241f9b;
$custom-light: #745eba;
$custom-dark: #000000;

JSON

{
  "hex": "#241f9b",
  "rgb": {
    "r": 36,
    "g": 31,
    "b": 155
  },
  "hsl": {
    "h": 242.419,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35298,
    "c": 0.18915,
    "h": 272.7
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#241F9B

secondary

#BDC155

accent

#EA3EE3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #241F9B

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

Preview Lab → · Contrast checker → · Palette generator →