#42436D#42436D

#42436D is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.2% C 0.070 H 281.7°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#42436D
RGB	rgb(66, 67, 109)
HSL	hsl(239, 25%, 34%)
HSV	hsv(239, 39%, 43%)
CMYK	cmyk(39.4%, 38.5%, 0%, 57.3%)
CIE-LAB	lab(30.10, 11.01, -24.51)
CIE-LCH	lch(30.10, 26.87, 294.20°)
OKLab	oklab(40.16% 0.0142 -0.0687)
OKLCH	oklch(40.16% 0.07 281.7)
XYZ	xyz(7.0135, 6.2764, 15.3070)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42436D #6D6C42

analogous

#42596D #42436D #57426D

triadic

#42436D #6D4243 #436D42

tetradic

#42436D #6D4259 #6D6C42 #426D57

square

#42436D #6D4259 #6D6C42 #426D57

split-complementary

#42436D #6D5742 #596D42

monochromatic

#141421 #2B2C47 #42436D #595A93 #7B7CAF

Accessibility & contrast

On white

9.31

#42436D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#42436D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42436D

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42436D	#FFFFFF	#000000	##FFFFFF
##42436D	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35486F

Deuteranopia (green-blind)

#33456C

Tritanopia (blue-blind)

#364B53

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #42436d;
/* rgb */ color: rgb(66, 67, 109);
/* oklch */ color: oklch(40.2% 0.070 281.7);

Tailwind

colors: {
  custom: {
    50: '#787797',
    500: '#42436d',
    950: '#000000',
  },
}

SCSS

$custom: #42436d;
$custom-light: #787797;
$custom-dark: #000000;

JSON

{
  "hex": "#42436d",
  "rgb": {
    "r": 66,
    "g": 67,
    "b": 109
  },
  "hsl": {
    "h": 238.605,
    "s": 24.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.4016,
    "c": 0.07016,
    "h": 281.7
  },
  "luminance": 0.06277
}

Semantic roles & 50–950 ramp

primary

#42436D

secondary

#9A9970

accent

#BF67C1

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #42436D

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

Preview Lab → · Contrast checker → · Palette generator →