#4091D3#4091D3

#4091D3 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.6% C 0.127 H 246.3°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4091D3
RGB	rgb(64, 145, 211)
HSL	hsl(207, 63%, 54%)
HSV	hsv(207, 70%, 83%)
CMYK	cmyk(69.7%, 31.3%, 0%, 17.3%)
CIE-LAB	lab(58.08, -3.29, -41.01)
CIE-LCH	lch(58.08, 41.14, 265.41°)
OKLab	oklab(63.64% -0.051 -0.1161)
OKLCH	oklch(63.64% 0.127 246.3)
XYZ	xyz(23.9932, 26.0413, 65.3774)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091D3 #D38240

analogous

#40D3CC #4091D3 #4048D3

triadic

#4091D3 #D34091 #91D340

tetradic

#4091D3 #CC40D3 #D38240 #48D340

square

#4091D3 #CC40D3 #D38240 #48D340

split-complementary

#4091D3 #D34048 #D3CC40

monochromatic

#1D517C #2872AE #4091D3 #72AEDE #A3CAEA

Accessibility & contrast

On white

3.38

#4091D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#4091D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D3

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091D3	#FFFFFF	#000000	##000000
##4091D3	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7393D6

Deuteranopia (green-blind)

#5F85D2

Tritanopia (blue-blind)

#00A1A8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4091d3;
/* rgb */ color: rgb(64, 145, 211);
/* oklch */ color: oklch(63.6% 0.127 246.3);

Tailwind

colors: {
  custom: {
    50: '#85b1e1',
    500: '#4091d3',
    950: '#000000',
  },
}

SCSS

$custom: #4091d3;
$custom-light: #85b1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4091d3",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 206.939,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.63636,
    "c": 0.12682,
    "h": 246.3
  },
  "luminance": 0.26044
}

Semantic roles & 50–950 ramp

primary

#4091D3

secondary

#D7B498

accent

#8C42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4091D3

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

Preview Lab → · Contrast checker → · Palette generator →