#42368F#42368F

#42368F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.141 H 284.1°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#42368F
RGB	rgb(66, 54, 143)
HSL	hsl(248, 45%, 39%)
HSV	hsv(248, 62%, 56%)
CMYK	cmyk(53.8%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(28.85, 30.48, -47.78)
CIE-LCH	lch(28.85, 56.67, 302.54°)
OKLab	oklab(39.93% 0.0345 -0.1369)
OKLCH	oklch(39.93% 0.141 284.1)
XYZ	xyz(8.5224, 5.7793, 26.6477)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42368F #838F36

analogous

#36568F #42368F #6E368F

triadic

#42368F #8F4236 #368F42

tetradic

#42368F #8F3656 #838F36 #368F6E

square

#42368F #8F3656 #838F36 #368F6E

split-complementary

#42368F #8F6E36 #568F36

monochromatic

#191436 #2D2563 #42368F #5848BA #8075CB

Accessibility & contrast

On white

9.74

#42368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#42368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42368F

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42368F	#FFFFFF	#000000	##FFFFFF
##42368F	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#234B5D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #42368f;
/* rgb */ color: rgb(66, 54, 143);
/* oklch */ color: oklch(39.9% 0.141 284.1);

Tailwind

colors: {
  custom: {
    50: '#7d6db0',
    500: '#42368f',
    950: '#000000',
  },
}

SCSS

$custom: #42368f;
$custom-light: #7d6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#42368f",
  "rgb": {
    "r": 66,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 248.09,
    "s": 45.178,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39933,
    "c": 0.14122,
    "h": 284.1
  },
  "luminance": 0.0578
}

Semantic roles & 50–950 ramp

primary

#42368F

secondary

#AAB36D

accent

#D553C3

background

#F8F6FA

surface

#EFEBF5

border

#CAC6CF

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #42368F

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

Preview Lab → · Contrast checker → · Palette generator →