#4291D0#4291D0

#4291D0 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.5% C 0.122 H 245.6°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#4291D0
RGB	rgb(66, 145, 208)
HSL	hsl(207, 60%, 54%)
HSV	hsv(207, 68%, 82%)
CMYK	cmyk(68.3%, 30.3%, 0%, 18.4%)
CIE-LAB	lab(58.00, -4.02, -39.44)
CIE-LCH	lch(58.00, 39.65, 264.18°)
OKLab	oklab(63.55% -0.0507 -0.1115)
OKLCH	oklch(63.55% 0.122 245.6)
XYZ	xyz(23.7530, 25.9606, 63.4213)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4291D0 #D08142

analogous

#42D0C8 #4291D0 #424AD0

triadic

#4291D0 #D04291 #91D042

tetradic

#4291D0 #C842D0 #D08142 #4AD042

square

#4291D0 #C842D0 #D08142 #4AD042

split-complementary

#4291D0 #D0424A #D0C842

monochromatic

#1E5179 #2A72AA #4291D0 #73AEDC #A4CAE8

Accessibility & contrast

On white

3.39

#4291D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#4291D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291D0

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4291D0	#FFFFFF	#000000	##000000
##4291D0	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7593D3

Deuteranopia (green-blind)

#6185CF

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4291d0;
/* rgb */ color: rgb(66, 145, 208);
/* oklch */ color: oklch(63.5% 0.122 245.6);

Tailwind

colors: {
  custom: {
    50: '#86b1de',
    500: '#4291d0',
    950: '#000000',
  },
}

SCSS

$custom: #4291d0;
$custom-light: #86b1de;
$custom-dark: #000000;

JSON

{
  "hex": "#4291d0",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 208
  },
  "hsl": {
    "h": 206.62,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.63547,
    "c": 0.12249,
    "h": 245.6
  },
  "luminance": 0.25963
}

Semantic roles & 50–950 ramp

primary

#4291D0

secondary

#D5B399

accent

#8B44E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4291D0

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

Preview Lab → · Contrast checker → · Palette generator →