#241F8B#241F8B

#241F8B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.169 H 274.3°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#241F8B
RGB	rgb(36, 31, 139)
HSL	hsl(243, 64%, 33%)
HSV	hsv(243, 78%, 55%)
CMYK	cmyk(74.1%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(20.90, 38.66, -58.41)
CIE-LCH	lch(20.90, 70.05, 303.50°)
OKLab	oklab(33.48% 0.0126 -0.169)
OKLCH	oklch(33.48% 0.169 274.3)
XYZ	xyz(5.8762, 3.2185, 24.7326)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#241F8B #868B1F

analogous

#1F508B #241F8B #5A1F8B

triadic

#241F8B #8B241F #1F8B24

tetradic

#241F8B #8B1F50 #868B1F #1F8B5A

square

#241F8B #8B1F50 #868B1F #1F8B5A

split-complementary

#241F8B #8B5A1F #508B1F

monochromatic

#0A0927 #171459 #241F8B #312ABD #534DD7

Accessibility & contrast

On white

12.78

#241F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#241F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #241F8B

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##241F8B	#FFFFFF	#000000	##FFFFFF
##241F8B	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #241f8b;
/* rgb */ color: rgb(36, 31, 139);
/* oklch */ color: oklch(33.5% 0.169 274.3);

Tailwind

colors: {
  custom: {
    50: '#705dae',
    500: '#241f8b',
    950: '#000000',
  },
}

SCSS

$custom: #241f8b;
$custom-light: #705dae;
$custom-dark: #000000;

JSON

{
  "hex": "#241f8b",
  "rgb": {
    "r": 36,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 242.778,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33478,
    "c": 0.16943,
    "h": 274.3
  },
  "luminance": 0.03219
}

Semantic roles & 50–950 ramp

primary

#241F8B

secondary

#B5BA4C

accent

#E741DF

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #241F8B

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

Preview Lab → · Contrast checker → · Palette generator →