#4091D9#4091D9

#4091D9 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.134 H 248.4°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4091D9
RGB	rgb(64, 145, 217)
HSL	hsl(208, 67%, 55%)
HSV	hsv(208, 71%, 85%)
CMYK	cmyk(70.5%, 33.2%, 0%, 14.9%)
CIE-LAB	lab(58.37, -1.21, -43.91)
CIE-LCH	lch(58.37, 43.93, 268.42°)
OKLab	oklab(63.96% -0.0493 -0.1246)
OKLCH	oklch(63.96% 0.134 248.4)
XYZ	xyz(24.7594, 26.3478, 69.4129)
Luminance	0.2635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091D9 #D98840

analogous

#40D9D4 #4091D9 #4045D9

triadic

#4091D9 #D94091 #91D940

tetradic

#4091D9 #D440D9 #D98840 #45D940

square

#4091D9 #D440D9 #D98840 #45D940

split-complementary

#4091D9 #D94045 #D9D440

monochromatic

#1A5284 #2472B7 #4091D9 #73AEE3 #A6CCED

Accessibility & contrast

On white

3.35

#4091D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#4091D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D9

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091D9	#FFFFFF	#000000	##000000
##4091D9	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DC

Deuteranopia (green-blind)

#5B86D8

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4091d9;
/* rgb */ color: rgb(64, 145, 217);
/* oklch */ color: oklch(64.0% 0.134 248.4);

Tailwind

colors: {
  custom: {
    50: '#86b0e5',
    500: '#4091d9',
    950: '#000000',
  },
}

SCSS

$custom: #4091d9;
$custom-light: #86b0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4091d9",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 217
  },
  "hsl": {
    "h": 208.235,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63959,
    "c": 0.13398,
    "h": 248.4
  },
  "luminance": 0.26351
}

Semantic roles & 50–950 ramp

primary

#4091D9

secondary

#DAB99A

accent

#8F3EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #4091D9

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

Preview Lab → · Contrast checker → · Palette generator →