#4091C9#4091C9

#4091C9 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.1% C 0.115 H 242.0°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4091C9
RGB	rgb(64, 145, 201)
HSL	hsl(205, 56%, 52%)
HSV	hsv(205, 68%, 79%)
CMYK	cmyk(68.2%, 27.9%, 0%, 21.2%)
CIE-LAB	lab(57.61, -6.72, -36.12)
CIE-LCH	lch(57.61, 36.74, 259.46°)
OKLab	oklab(63.12% -0.0541 -0.1019)
OKLCH	oklch(63.12% 0.115 242)
XYZ	xyz(22.7783, 25.5554, 58.9792)
Luminance	0.2556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091C9 #C97840

analogous

#40C9BD #4091C9 #404DC9

triadic

#4091C9 #C94091 #91C940

tetradic

#4091C9 #BD40C9 #C97840 #4DC940

square

#4091C9 #BD40C9 #C97840 #4DC940

split-complementary

#4091C9 #C9404D #C9BD40

monochromatic

#1F4F6F #2D709F #4091C9 #70ACD6 #9FC8E4

Accessibility & contrast

On white

3.44

#4091C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#4091C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091C9

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091C9	#FFFFFF	#000000	##000000
##4091C9	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7892CC

Deuteranopia (green-blind)

#6584C8

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4091c9;
/* rgb */ color: rgb(64, 145, 201);
/* oklch */ color: oklch(63.1% 0.115 242.0);

Tailwind

colors: {
  custom: {
    50: '#84b1d9',
    500: '#4091c9',
    950: '#000000',
  },
}

SCSS

$custom: #4091c9;
$custom-light: #84b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4091c9",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 201
  },
  "hsl": {
    "h": 204.526,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.63118,
    "c": 0.11534,
    "h": 242
  },
  "luminance": 0.25558
}

Semantic roles & 50–950 ramp

primary

#4091C9

secondary

#D0AD94

accent

#8649DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4091C9

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

Preview Lab → · Contrast checker → · Palette generator →