#4091D1#4091D1

#4091D1 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.124 H 245.5°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#4091D1
RGB	rgb(64, 145, 209)
HSL	hsl(206, 61%, 54%)
HSV	hsv(206, 69%, 82%)
CMYK	cmyk(69.4%, 30.6%, 0%, 18%)
CIE-LAB	lab(57.98, -3.98, -40.04)
CIE-LCH	lch(57.98, 40.23, 264.32°)
OKLab	oklab(63.53% -0.0516 -0.1133)
OKLCH	oklch(63.53% 0.124 245.5)
XYZ	xyz(23.7440, 25.9417, 64.0651)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091D1 #D18040

analogous

#40D1C8 #4091D1 #4048D1

triadic

#4091D1 #D14091 #91D140

tetradic

#4091D1 #C840D1 #D18040 #48D140

square

#4091D1 #C840D1 #D18040 #48D140

split-complementary

#4091D1 #D14048 #D1C840

monochromatic

#1D5179 #2971AB #4091D1 #71ADDD #A3CAE9

Accessibility & contrast

On white

3.39

#4091D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#4091D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D1

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091D1	#FFFFFF	#000000	##000000
##4091D1	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)

#7493D4

Deuteranopia (green-blind)

#6085D0

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4091d1;
/* rgb */ color: rgb(64, 145, 209);
/* oklch */ color: oklch(63.5% 0.124 245.5);

Tailwind

colors: {
  custom: {
    50: '#85b1df',
    500: '#4091d1',
    950: '#000000',
  },
}

SCSS

$custom: #4091d1;
$custom-light: #85b1df;
$custom-dark: #000000;

JSON

{
  "hex": "#4091d1",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 209
  },
  "hsl": {
    "h": 206.483,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6353,
    "c": 0.12448,
    "h": 245.5
  },
  "luminance": 0.25944
}

Semantic roles & 50–950 ramp

primary

#4091D1

secondary

#D5B397

accent

#8A44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4091D1

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

Preview Lab → · Contrast checker → · Palette generator →