#4285A3#4285A3

#4285A3 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.5% C 0.082 H 229.6°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#4285A3
RGB	rgb(66, 133, 163)
HSL	hsl(199, 42%, 45%)
HSV	hsv(199, 60%, 64%)
CMYK	cmyk(59.5%, 18.4%, 0%, 36.1%)
CIE-LAB	lab(52.48, -12.14, -22.37)
CIE-LCH	lch(52.48, 25.45, 241.53°)
OKLab	oklab(58.53% -0.0531 -0.0624)
OKLCH	oklch(58.53% 0.082 229.6)
XYZ	xyz(17.2426, 20.5760, 37.7061)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285A3 #A36042

analogous

#42A391 #4285A3 #4254A3

triadic

#4285A3 #A34285 #85A342

tetradic

#4285A3 #9142A3 #A36042 #54A342

square

#4285A3 #9142A3 #A36042 #54A342

split-complementary

#4285A3 #A34254 #A39142

monochromatic

#1F3E4C #306177 #4285A3 #63A3C0 #8EBDD1

Accessibility & contrast

On white

4.11

#4285A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#4285A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285A3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285A3	#FFFFFF	#000000	##000000
##4285A3	1.00	4.11	5.12	5.12
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7683A5

Deuteranopia (green-blind)

#6879A3

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4285a3;
/* rgb */ color: rgb(66, 133, 163);
/* oklch */ color: oklch(58.5% 0.082 229.6);

Tailwind

colors: {
  custom: {
    50: '#7fa8be',
    500: '#4285a3',
    950: '#000000',
  },
}

SCSS

$custom: #4285a3;
$custom-light: #7fa8be;
$custom-dark: #000000;

JSON

{
  "hex": "#4285a3",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 163
  },
  "hsl": {
    "h": 198.557,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.58531,
    "c": 0.08193,
    "h": 229.6
  },
  "luminance": 0.20578
}

Semantic roles & 50–950 ramp

primary

#4285A3

secondary

#BC9684

accent

#7C56D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4285A3

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

Preview Lab → · Contrast checker → · Palette generator →