#42658D#42658D

#42658D is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.8% C 0.076 H 252.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#42658D
RGB	rgb(66, 101, 141)
HSL	hsl(212, 36%, 41%)
HSV	hsv(212, 53%, 55%)
CMYK	cmyk(53.2%, 28.4%, 0%, 44.7%)
CIE-LAB	lab(41.83, -0.48, -25.90)
CIE-LCH	lch(41.83, 25.91, 268.94°)
OKLab	oklab(49.79% -0.0228 -0.0726)
OKLCH	oklch(49.79% 0.076 252.6)
XYZ	xyz(11.7065, 12.3878, 26.9683)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42658D #8D6A42

analogous

#428A8D #42658D #44428D

triadic

#42658D #8D4265 #658D42

tetradic

#42658D #8D428A #8D6A42 #428D44

square

#42658D #8D428A #8D6A42 #428D44

split-complementary

#42658D #8D4442 #8A8D42

monochromatic

#1B293A #2E4763 #42658D #5A83B2 #84A3C5

Accessibility & contrast

On white

6.04

#42658D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#42658D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42658D

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42658D	#FFFFFF	#000000	##FFFFFF
##42658D	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55678F

Deuteranopia (green-blind)

#4B5F8C

Tritanopia (blue-blind)

#1B6E73

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #42658d;
/* rgb */ color: rgb(66, 101, 141);
/* oklch */ color: oklch(49.8% 0.076 252.6);

Tailwind

colors: {
  custom: {
    50: '#7b90ae',
    500: '#42658d',
    950: '#000000',
  },
}

SCSS

$custom: #42658d;
$custom-light: #7b90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42658d",
  "rgb": {
    "r": 66,
    "g": 101,
    "b": 141
  },
  "hsl": {
    "h": 212,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49789,
    "c": 0.07609,
    "h": 252.6
  },
  "luminance": 0.12389
}

Semantic roles & 50–950 ramp

primary

#42658D

secondary

#B0977B

accent

#985CCC

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #42658D

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

Preview Lab → · Contrast checker → · Palette generator →