#4085CB#4085CB

#4085CB is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.5% C 0.128 H 251.0°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4085CB
RGB	rgb(64, 133, 203)
HSL	hsl(210, 57%, 52%)
HSV	hsv(210, 68%, 80%)
CMYK	cmyk(68.5%, 34.5%, 0%, 20.4%)
CIE-LAB	lab(54.21, 0.96, -42.59)
CIE-LCH	lch(54.21, 42.60, 271.29°)
OKLab	oklab(60.47% -0.0415 -0.1209)
OKLCH	oklch(60.47% 0.128 251)
XYZ	xyz(21.2774, 22.1746, 59.6471)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4085CB #CB8640

analogous

#40CBCB #4085CB #4140CB

triadic

#4085CB #CB4085 #85CB40

tetradic

#4085CB #CB40CB #CB8640 #40CB41

square

#4085CB #CB40CB #CB8640 #40CB41

split-complementary

#4085CB #CB4140 #CBCB40

monochromatic

#1F4872 #2C66A2 #4085CB #70A4D8 #A0C2E5

Accessibility & contrast

On white

3.86

#4085CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#4085CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4085CB

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4085CB	#FFFFFF	#000000	##000000
##4085CB	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6689CE

Deuteranopia (green-blind)

#527CCA

Tritanopia (blue-blind)

#00959E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4085cb;
/* rgb */ color: rgb(64, 133, 203);
/* oklch */ color: oklch(60.5% 0.128 251.0);

Tailwind

colors: {
  custom: {
    50: '#84a8db',
    500: '#4085cb',
    950: '#000000',
  },
}

SCSS

$custom: #4085cb;
$custom-light: #84a8db;
$custom-dark: #000000;

JSON

{
  "hex": "#4085cb",
  "rgb": {
    "r": 64,
    "g": 133,
    "b": 203
  },
  "hsl": {
    "h": 210.216,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.6047,
    "c": 0.1278,
    "h": 251
  },
  "luminance": 0.22177
}

Semantic roles & 50–950 ramp

primary

#4085CB

secondary

#D2B495

accent

#9447E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4085CB

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

Preview Lab → · Contrast checker → · Palette generator →