#241B58#241B58

#241B58 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.105 H 283.8°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#241B58
RGB	rgb(36, 27, 88)
HSL	hsl(249, 53%, 23%)
HSV	hsv(249, 69%, 35%)
CMYK	cmyk(59.1%, 69.3%, 0%, 65.5%)
CIE-LAB	lab(14.75, 23.33, -35.49)
CIE-LCH	lch(14.75, 42.47, 303.32°)
OKLab	oklab(27.5% 0.0251 -0.1019)
OKLCH	oklch(27.5% 0.105 283.8)
XYZ	xyz(2.8804, 1.8633, 9.4385)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#241B58 #4F581B

analogous

#1B3158 #241B58 #421B58

triadic

#241B58 #58241B #1B5824

tetradic

#241B58 #581B31 #4F581B #1B5842

square

#241B58 #581B31 #4F581B #1B5842

split-complementary

#241B58 #58421B #31581B

monochromatic

#0A0717 #110D29 #241B58 #372987 #4A38B6

Accessibility & contrast

On white

15.30

#241B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#241B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #241B58

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##241B58	#FFFFFF	#000000	##FFFFFF
##241B58	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275A

Deuteranopia (green-blind)

#002357

Tritanopia (blue-blind)

#0D2A36

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #241b58;
/* rgb */ color: rgb(36, 27, 88);
/* oklch */ color: oklch(27.5% 0.105 283.8);

Tailwind

colors: {
  custom: {
    50: '#655888',
    500: '#241b58',
    950: '#000000',
  },
}

SCSS

$custom: #241b58;
$custom-light: #655888;
$custom-dark: #000000;

JSON

{
  "hex": "#241b58",
  "rgb": {
    "r": 36,
    "g": 27,
    "b": 88
  },
  "hsl": {
    "h": 248.852,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.27497,
    "c": 0.10496,
    "h": 283.8
  },
  "luminance": 0.01864
}

Semantic roles & 50–950 ramp

primary

#241B58

secondary

#828E41

accent

#DC4BC7

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030B

muted

#7A787C

Preview Lab

Preview with #241B58

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

Preview Lab → · Contrast checker → · Palette generator →