#4091D5#4091D5

#4091D5 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.129 H 247.0°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4091D5
RGB	rgb(64, 145, 213)
HSL	hsl(207, 64%, 54%)
HSV	hsv(207, 70%, 84%)
CMYK	cmyk(70%, 31.9%, 0%, 16.5%)
CIE-LAB	lab(58.17, -2.60, -41.98)
CIE-LCH	lch(58.17, 42.06, 266.45°)
OKLab	oklab(63.74% -0.0504 -0.1189)
OKLCH	oklch(63.74% 0.129 247)
XYZ	xyz(24.2454, 26.1422, 66.7061)
Luminance	0.2615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091D5 #D58440

analogous

#40D5CF #4091D5 #4047D5

triadic

#4091D5 #D54091 #91D540

tetradic

#4091D5 #CF40D5 #D58440 #47D540

square

#4091D5 #CF40D5 #D58440 #47D540

split-complementary

#4091D5 #D54047 #D5CF40

monochromatic

#1C527F #2772B1 #4091D5 #72AEE0 #A4CBEB

Accessibility & contrast

On white

3.37

#4091D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#4091D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D5

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091D5	#FFFFFF	#000000	##000000
##4091D5	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7294D8

Deuteranopia (green-blind)

#5E85D4

Tritanopia (blue-blind)

#00A1A9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4091d5;
/* rgb */ color: rgb(64, 145, 213);
/* oklch */ color: oklch(63.7% 0.129 247.0);

Tailwind

colors: {
  custom: {
    50: '#86b1e2',
    500: '#4091d5',
    950: '#000000',
  },
}

SCSS

$custom: #4091d5;
$custom-light: #86b1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4091d5",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 213
  },
  "hsl": {
    "h": 207.383,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.63743,
    "c": 0.12919,
    "h": 247
  },
  "luminance": 0.26145
}

Semantic roles & 50–950 ramp

primary

#4091D5

secondary

#D8B699

accent

#8D41E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4091D5

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

Preview Lab → · Contrast checker → · Palette generator →