#4091CF#4091CF

#4091CF is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.122 H 244.7°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4091CF
RGB	rgb(64, 145, 207)
HSL	hsl(206, 60%, 53%)
HSV	hsv(206, 69%, 81%)
CMYK	cmyk(69.1%, 30%, 0%, 18.8%)
CIE-LAB	lab(57.89, -4.67, -39.06)
CIE-LCH	lch(57.89, 39.34, 263.18°)
OKLab	oklab(63.43% -0.0522 -0.1104)
OKLCH	oklch(63.43% 0.122 244.7)
XYZ	xyz(23.4979, 25.8432, 62.7692)
Luminance	0.2585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091CF #CF7E40

analogous

#40CFC6 #4091CF #4049CF

triadic

#4091CF #CF4091 #91CF40

tetradic

#4091CF #C640CF #CF7E40 #49CF40

square

#4091CF #C640CF #CF7E40 #49CF40

split-complementary

#4091CF #CF4049 #CFC640

monochromatic

#1E5077 #2A71A8 #4091CF #71ADDB #A2C9E8

Accessibility & contrast

On white

3.40

#4091CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#4091CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091CF

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091CF	#FFFFFF	#000000	##000000
##4091CF	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7593D2

Deuteranopia (green-blind)

#6185CE

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4091cf;
/* rgb */ color: rgb(64, 145, 207);
/* oklch */ color: oklch(63.4% 0.122 244.7);

Tailwind

colors: {
  custom: {
    50: '#85b1de',
    500: '#4091cf',
    950: '#000000',
  },
}

SCSS

$custom: #4091cf;
$custom-light: #85b1de;
$custom-dark: #000000;

JSON

{
  "hex": "#4091cf",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 206.014,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.63426,
    "c": 0.12215,
    "h": 244.7
  },
  "luminance": 0.25846
}

Semantic roles & 50–950 ramp

primary

#4091CF

secondary

#D4B197

accent

#8945E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4091CF

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

Preview Lab → · Contrast checker → · Palette generator →