#242FB1#242FB1

#242FB1 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.0% C 0.201 H 269.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#242FB1
RGB	rgb(36, 47, 177)
HSL	hsl(235, 66%, 42%)
HSV	hsv(235, 80%, 69%)
CMYK	cmyk(79.7%, 73.4%, 0%, 30.6%)
CIE-LAB	lab(28.33, 42.40, -69.33)
CIE-LCH	lch(28.33, 81.27, 301.44°)
OKLab	oklab(39.98% -0.001 -0.2008)
OKLCH	oklch(39.98% 0.201 269.7)
XYZ	xyz(9.6772, 5.5813, 42.1537)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#242FB1 #B1A624

analogous

#2476B1 #242FB1 #6024B1

triadic

#242FB1 #B1242F #2FB124

tetradic

#242FB1 #B12476 #B1A624 #24B160

square

#242FB1 #B12476 #B1A624 #24B160

split-complementary

#242FB1 #B16024 #76B124

monochromatic

#0F144B #1A217E #242FB1 #3B47D7 #6E77E1

Accessibility & contrast

On white

9.92

#242FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#242FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #242FB1

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##242FB1	#FFFFFF	#000000	##FFFFFF
##242FB1	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB5

Deuteranopia (green-blind)

#003CAF

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #242fb1;
/* rgb */ color: rgb(36, 47, 177);
/* oklch */ color: oklch(40.0% 0.201 269.7);

Tailwind

colors: {
  custom: {
    50: '#7869ca',
    500: '#242fb1',
    950: '#000000',
  },
}

SCSS

$custom: #242fb1;
$custom-light: #7869ca;
$custom-dark: #000000;

JSON

{
  "hex": "#242fb1",
  "rgb": {
    "r": 36,
    "g": 47,
    "b": 177
  },
  "hsl": {
    "h": 235.319,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.3998,
    "c": 0.20084,
    "h": 269.7
  },
  "luminance": 0.05582
}

Semantic roles & 50–950 ramp

primary

#242FB1

secondary

#C8C169

accent

#DC3FE9

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #242FB1

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

Preview Lab → · Contrast checker → · Palette generator →