#4285B7#4285B7

#4285B7 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.5% C 0.103 H 243.3°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4285B7
RGB	rgb(66, 133, 183)
HSL	hsl(206, 47%, 49%)
HSV	hsv(206, 64%, 72%)
CMYK	cmyk(63.9%, 27.3%, 0%, 28.2%)
CIE-LAB	lab(53.33, -5.57, -32.57)
CIE-LCH	lch(53.33, 33.05, 260.29°)
OKLab	oklab(59.48% -0.0461 -0.0917)
OKLCH	oklch(59.48% 0.103 243.3)
XYZ	xyz(19.1783, 21.3503, 47.9009)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4285B7 #B77442

analogous

#42B7AF #4285B7 #424BB7

triadic

#4285B7 #B74285 #85B742

tetradic

#4285B7 #AF42B7 #B77442 #4BB742

square

#4285B7 #AF42B7 #B77442 #4BB742

split-complementary

#4285B7 #B7424B #B7AF42

monochromatic

#22445D #32648A #4285B7 #6CA2CA #99BEDA

Accessibility & contrast

On white

3.98

#4285B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#4285B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4285B7

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4285B7	#FFFFFF	#000000	##000000
##4285B7	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F86B9

Deuteranopia (green-blind)

#5F7AB6

Tritanopia (blue-blind)

#009196

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4285b7;
/* rgb */ color: rgb(66, 133, 183);
/* oklch */ color: oklch(59.5% 0.103 243.3);

Tailwind

colors: {
  custom: {
    50: '#82a8cd',
    500: '#4285b7',
    950: '#000000',
  },
}

SCSS

$custom: #4285b7;
$custom-light: #82a8cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4285b7",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 183
  },
  "hsl": {
    "h": 205.641,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.59484,
    "c": 0.10262,
    "h": 243.3
  },
  "luminance": 0.21352
}

Semantic roles & 50–950 ramp

primary

#4285B7

secondary

#C6A68F

accent

#8A51D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4285B7

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

Preview Lab → · Contrast checker → · Palette generator →