#241B8F#241B8F

#241B8F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.178 H 274.3°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#241B8F
RGB	rgb(36, 27, 143)
HSL	hsl(245, 68%, 33%)
HSV	hsv(245, 81%, 56%)
CMYK	cmyk(74.8%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(20.60, 42.15, -61.40)
CIE-LCH	lch(20.60, 74.48, 304.47°)
OKLab	oklab(33.41% 0.0134 -0.1776)
OKLCH	oklch(33.41% 0.178 274.3)
XYZ	xyz(6.0758, 3.1415, 26.2674)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#241B8F #868F1B

analogous

#1B4C8F #241B8F #5E1B8F

triadic

#241B8F #8F241B #1B8F24

tetradic

#241B8F #8F1B4C #868F1B #1B8F5E

square

#241B8F #8F1B4C #868F1B #1B8F5E

split-complementary

#241B8F #8F5E1B #4C8F1B

monochromatic

#0A0828 #17115C #241B8F #3125C2 #5348DC

Accessibility & contrast

On white

12.90

#241B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#241B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #241B8F

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##241B8F	#FFFFFF	#000000	##FFFFFF
##241B8F	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#002C8D

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #241b8f;
/* rgb */ color: rgb(36, 27, 143);
/* oklch */ color: oklch(33.4% 0.178 274.3);

Tailwind

colors: {
  custom: {
    50: '#725bb1',
    500: '#241b8f',
    950: '#000000',
  },
}

SCSS

$custom: #241b8f;
$custom-light: #725bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#241b8f",
  "rgb": {
    "r": 36,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 244.655,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33405,
    "c": 0.17808,
    "h": 274.3
  },
  "luminance": 0.03142
}

Semantic roles & 50–950 ramp

primary

#241B8F

secondary

#B5BE48

accent

#EB3DDE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #241B8F

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

Preview Lab → · Contrast checker → · Palette generator →