#4091B2#4091B2

#4091B2 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.0% C 0.093 H 227.9°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4091B2
RGB	rgb(64, 145, 178)
HSL	hsl(197, 47%, 47%)
HSV	hsv(197, 64%, 70%)
CMYK	cmyk(64%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(56.64, -14.35, -24.60)
CIE-LCH	lch(56.64, 28.48, 239.74°)
OKLab	oklab(62.02% -0.0621 -0.0687)
OKLCH	oklch(62.02% 0.093 227.9)
XYZ	xyz(20.2725, 24.5530, 45.7817)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091B2 #B26140

analogous

#40B29A #4091B2 #4058B2

triadic

#4091B2 #B24091 #91B240

tetradic

#4091B2 #9A40B2 #B26140 #58B240

square

#4091B2 #9A40B2 #B26140 #58B240

split-complementary

#4091B2 #B24058 #B29A40

monochromatic

#204858 #306C85 #4091B2 #67ACC8 #94C5D8

Accessibility & contrast

On white

3.55

#4091B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#4091B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091B2

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091B2	#FFFFFF	#000000	##000000
##4091B2	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808FB4

Deuteranopia (green-blind)

#7083B2

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4091b2;
/* rgb */ color: rgb(64, 145, 178);
/* oklch */ color: oklch(62.0% 0.093 227.9);

Tailwind

colors: {
  custom: {
    50: '#81b1c9',
    500: '#4091b2',
    950: '#000000',
  },
}

SCSS

$custom: #4091b2;
$custom-light: #81b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4091b2",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 197.368,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.62021,
    "c": 0.09259,
    "h": 227.9
  },
  "luminance": 0.24555
}

Semantic roles & 50–950 ramp

primary

#4091B2

secondary

#C49B8A

accent

#7851D7

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4091B2

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

Preview Lab → · Contrast checker → · Palette generator →