#4091B7#4091B7

#4091B7 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.2% C 0.097 H 231.6°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4091B7
RGB	rgb(64, 145, 183)
HSL	hsl(199, 48%, 48%)
HSV	hsv(199, 65%, 72%)
CMYK	cmyk(65%, 20.8%, 0%, 28.2%)
CIE-LAB	lab(56.84, -12.73, -27.13)
CIE-LCH	lch(56.84, 29.97, 244.87°)
OKLab	oklab(62.25% -0.0602 -0.076)
OKLCH	oklch(62.25% 0.097 231.6)
XYZ	xyz(20.7836, 24.7575, 48.4739)
Luminance	0.2476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091B7 #B76640

analogous

#40B7A1 #4091B7 #4055B7

triadic

#4091B7 #B74091 #91B740

tetradic

#4091B7 #A140B7 #B76640 #55B740

square

#4091B7 #A140B7 #B76640 #55B740

split-complementary

#4091B7 #B74055 #B7A140

monochromatic

#20495C #306D8A #4091B7 #69ACCB #97C5DB

Accessibility & contrast

On white

3.53

#4091B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#4091B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091B7

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091B7	#FFFFFF	#000000	##000000
##4091B7	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8FB9

Deuteranopia (green-blind)

#6E83B6

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4091b7;
/* rgb */ color: rgb(64, 145, 183);
/* oklch */ color: oklch(62.2% 0.097 231.6);

Tailwind

colors: {
  custom: {
    50: '#81b1cc',
    500: '#4091b7',
    950: '#000000',
  },
}

SCSS

$custom: #4091b7;
$custom-light: #81b1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4091b7",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 183
  },
  "hsl": {
    "h": 199.16,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.62248,
    "c": 0.09693,
    "h": 231.6
  },
  "luminance": 0.2476
}

Semantic roles & 50–950 ramp

primary

#4091B7

secondary

#C69F8D

accent

#7B50D8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4091B7

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

Preview Lab → · Contrast checker → · Palette generator →