#4291BE#4291BE

#4291BE is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.6% C 0.103 H 236.6°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4291BE
RGB	rgb(66, 145, 190)
HSL	hsl(202, 49%, 50%)
HSV	hsv(202, 65%, 75%)
CMYK	cmyk(65.3%, 23.7%, 0%, 25.5%)
CIE-LAB	lab(57.20, -10.08, -30.54)
CIE-LCH	lch(57.20, 32.16, 251.73°)
OKLab	oklab(62.65% -0.0565 -0.0858)
OKLCH	oklch(62.65% 0.103 236.6)
XYZ	xyz(21.6628, 25.1245, 52.4131)
Luminance	0.2513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291BE #BE6F42

analogous

#42BEAD #4291BE #4253BE

triadic

#4291BE #BE4291 #91BE42

tetradic

#4291BE #AD42BE #BE6F42 #53BE42

square

#4291BE #AD42BE #BE6F42 #53BE42

split-complementary

#4291BE #BE4253 #BEAD42

monochromatic

#224C63 #326E91 #4291BE #70ACCE #9DC6DD

Accessibility & contrast

On white

3.49

#4291BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4291BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291BE

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291BE	#FFFFFF	#000000	##000000
##4291BE	1.00	3.49	6.03	6.03
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90C0

Deuteranopia (green-blind)

#6B84BD

Tritanopia (blue-blind)

#009DA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4291be;
/* rgb */ color: rgb(66, 145, 190);
/* oklch */ color: oklch(62.6% 0.103 236.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4291be",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 190
  },
  "hsl": {
    "h": 201.774,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62647,
    "c": 0.10267,
    "h": 236.6
  },
  "luminance": 0.25127
}

Semantic roles & 50–950 ramp

primary

#4291BE

secondary

#CAA692

accent

#814FD8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4291BE

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

Preview Lab → · Contrast checker → · Palette generator →