#4091C8#4091C8

#4091C8 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.114 H 241.6°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4091C8
RGB	rgb(64, 145, 200)
HSL	hsl(204, 55%, 52%)
HSV	hsv(204, 68%, 78%)
CMYK	cmyk(68%, 27.5%, 0%, 21.6%)
CIE-LAB	lab(57.57, -7.06, -35.62)
CIE-LCH	lch(57.57, 36.31, 258.79°)
OKLab	oklab(63.07% -0.0544 -0.1004)
OKLCH	oklch(63.07% 0.114 241.6)
XYZ	xyz(22.6611, 25.5085, 58.3617)
Luminance	0.2551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091C8 #C87740

analogous

#40C8BB #4091C8 #404DC8

triadic

#4091C8 #C84091 #91C840

tetradic

#4091C8 #BB40C8 #C87740 #4DC840

square

#4091C8 #BB40C8 #C87740 #4DC840

split-complementary

#4091C8 #C8404D #C8BB40

monochromatic

#204E6E #2D709D #4091C8 #70ACD6 #9FC8E3

Accessibility & contrast

On white

3.44

#4091C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#4091C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091C8

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091C8	#FFFFFF	#000000	##000000
##4091C8	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7892CA

Deuteranopia (green-blind)

#6584C7

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4091c8;
/* rgb */ color: rgb(64, 145, 200);
/* oklch */ color: oklch(63.1% 0.114 241.6);

Tailwind

colors: {
  custom: {
    50: '#84b1d9',
    500: '#4091c8',
    950: '#000000',
  },
}

SCSS

$custom: #4091c8;
$custom-light: #84b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4091c8",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 200
  },
  "hsl": {
    "h": 204.265,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.63067,
    "c": 0.11423,
    "h": 241.6
  },
  "luminance": 0.25511
}

Semantic roles & 50–950 ramp

primary

#4091C8

secondary

#D0AC94

accent

#8649DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4091C8

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

Preview Lab → · Contrast checker → · Palette generator →