#4291D1#4291D1

#4291D1 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.6% C 0.124 H 246.0°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4291D1
RGB	rgb(66, 145, 209)
HSL	hsl(207, 61%, 54%)
HSV	hsv(207, 68%, 82%)
CMYK	cmyk(68.4%, 30.6%, 0%, 18%)
CIE-LAB	lab(58.05, -3.68, -39.93)
CIE-LCH	lch(58.05, 40.10, 264.73°)
OKLab	oklab(63.6% -0.0504 -0.1129)
OKLCH	oklch(63.6% 0.124 246)
XYZ	xyz(23.8764, 26.0099, 64.0713)
Luminance	0.2601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291D1 #D18242

analogous

#42D1CA #4291D1 #424AD1

triadic

#4291D1 #D14291 #91D142

tetradic

#4291D1 #CA42D1 #D18242 #4AD142

square

#4291D1 #CA42D1 #D18242 #4AD142

split-complementary

#4291D1 #D1424A #D1CA42

monochromatic

#1E517B #2A72AC #4291D1 #73AEDD #A4CAE9

Accessibility & contrast

On white

3.39

#4291D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#4291D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291D1

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291D1	#FFFFFF	#000000	##000000
##4291D1	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7493D4

Deuteranopia (green-blind)

#6185D0

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4291d1;
/* rgb */ color: rgb(66, 145, 209);
/* oklch */ color: oklch(63.6% 0.124 246.0);

Tailwind

colors: {
  custom: {
    50: '#86b1df',
    500: '#4291d1',
    950: '#000000',
  },
}

SCSS

$custom: #4291d1;
$custom-light: #86b1df;
$custom-dark: #000000;

JSON

{
  "hex": "#4291d1",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 209
  },
  "hsl": {
    "h": 206.853,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.636,
    "c": 0.12366,
    "h": 246
  },
  "luminance": 0.26012
}

Semantic roles & 50–950 ramp

primary

#4291D1

secondary

#D6B499

accent

#8C44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4291D1

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

Preview Lab → · Contrast checker → · Palette generator →