#42799A#42799A

#42799A is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.078 H 236.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#42799A
RGB	rgb(66, 121, 154)
HSL	hsl(203, 40%, 43%)
HSV	hsv(203, 57%, 60%)
CMYK	cmyk(57.1%, 21.4%, 0%, 39.6%)
CIE-LAB	lab(48.47, -8.19, -23.32)
CIE-LCH	lch(48.47, 24.71, 250.65°)
OKLab	oklab(55.22% -0.0426 -0.0651)
OKLCH	oklch(55.22% 0.078 236.8)
XYZ	xyz(14.9147, 17.1648, 33.0927)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42799A #9A6342

analogous

#429A8F #42799A #424D9A

triadic

#42799A #9A4279 #799A42

tetradic

#42799A #8F429A #9A6342 #4D9A42

square

#42799A #8F429A #9A6342 #4D9A42

split-complementary

#42799A #9A424D #9A8F42

monochromatic

#1D3644 #30576F #42799A #5F98BA #8AB4CD

Accessibility & contrast

On white

4.74

#42799A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#42799A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42799A

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42799A	#FFFFFF	#000000	##FFFFFF
##42799A	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A789C

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #42799a;
/* rgb */ color: rgb(66, 121, 154);
/* oklch */ color: oklch(55.2% 0.078 236.8);

Tailwind

colors: {
  custom: {
    50: '#7d9fb8',
    500: '#42799a',
    950: '#000000',
  },
}

SCSS

$custom: #42799a;
$custom-light: #7d9fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#42799a",
  "rgb": {
    "r": 66,
    "g": 121,
    "b": 154
  },
  "hsl": {
    "h": 202.5,
    "s": 40,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55218,
    "c": 0.0778,
    "h": 236.8
  },
  "luminance": 0.17166
}

Semantic roles & 50–950 ramp

primary

#42799A

secondary

#B89580

accent

#8558D0

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #42799A

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

Preview Lab → · Contrast checker → · Palette generator →