#42456D#42456D

#42456D is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.6% C 0.067 H 279.7°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#42456D
RGB	rgb(66, 69, 109)
HSL	hsl(236, 25%, 34%)
HSV	hsv(236, 39%, 43%)
CMYK	cmyk(39.4%, 36.7%, 0%, 57.3%)
CIE-LAB	lab(30.68, 9.69, -23.59)
CIE-LCH	lch(30.68, 25.51, 292.33°)
OKLab	oklab(40.61% 0.0113 -0.066)
OKLCH	oklch(40.61% 0.067 279.7)
XYZ	xyz(7.1344, 6.5184, 15.3473)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42456D #6D6A42

analogous

#425B6D #42456D #55426D

triadic

#42456D #6D4245 #456D42

tetradic

#42456D #6D425B #6D6A42 #426D55

square

#42456D #6D425B #6D6A42 #426D55

split-complementary

#42456D #6D5542 #5B6D42

monochromatic

#141521 #2B2D47 #42456D #595D93 #7B7EAF

Accessibility & contrast

On white

9.12

#42456D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#42456D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42456D

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42456D	#FFFFFF	#000000	##FFFFFF
##42456D	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384A6F

Deuteranopia (green-blind)

#36476C

Tritanopia (blue-blind)

#364D54

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #42456d;
/* rgb */ color: rgb(66, 69, 109);
/* oklch */ color: oklch(40.6% 0.067 279.7);

Tailwind

colors: {
  custom: {
    50: '#787897',
    500: '#42456d',
    950: '#000000',
  },
}

SCSS

$custom: #42456d;
$custom-light: #787897;
$custom-dark: #000000;

JSON

{
  "hex": "#42456d",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 109
  },
  "hsl": {
    "h": 235.814,
    "s": 24.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40609,
    "c": 0.06699,
    "h": 279.7
  },
  "luminance": 0.06519
}

Semantic roles & 50–950 ramp

primary

#42456D

secondary

#9A9770

accent

#BB67C1

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090D

muted

#7B7B7E

Preview Lab

Preview with #42456D

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

Preview Lab → · Contrast checker → · Palette generator →