#4291BD#4291BD

#4291BD is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.6% C 0.102 H 236.0°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4291BD
RGB	rgb(66, 145, 189)
HSL	hsl(201, 48%, 50%)
HSV	hsv(201, 65%, 74%)
CMYK	cmyk(65.1%, 23.3%, 0%, 25.9%)
CIE-LAB	lab(57.15, -10.41, -30.04)
CIE-LCH	lch(57.15, 31.80, 250.88°)
OKLab	oklab(62.6% -0.0568 -0.0843)
OKLCH	oklch(62.6% 0.102 236)
XYZ	xyz(21.5539, 25.0809, 51.8394)
Luminance	0.2508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291BD #BD6E42

analogous

#42BDAB #4291BD #4254BD

triadic

#4291BD #BD4291 #91BD42

tetradic

#4291BD #AB42BD #BD6E42 #54BD42

square

#4291BD #AB42BD #BD6E42 #54BD42

split-complementary

#4291BD #BD4254 #BDAB42

monochromatic

#224B62 #326E90 #4291BD #6FABCD #9DC6DD

Accessibility & contrast

On white

3.49

#4291BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4291BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291BD

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291BD	#FFFFFF	#000000	##000000
##4291BD	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90BF

Deuteranopia (green-blind)

#6B84BC

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4291bd;
/* rgb */ color: rgb(66, 145, 189);
/* oklch */ color: oklch(62.6% 0.102 236.0);

Tailwind

colors: {
  custom: {
    50: '#83b1d1',
    500: '#4291bd',
    950: '#000000',
  },
}

SCSS

$custom: #4291bd;
$custom-light: #83b1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4291bd",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 201.463,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.626,
    "c": 0.10166,
    "h": 236
  },
  "luminance": 0.25083
}

Semantic roles & 50–950 ramp

primary

#4291BD

secondary

#C9A692

accent

#8150D8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4291BD

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

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