#4091D8#4091D8

#4091D8 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.133 H 248.1°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#4091D8
RGB	rgb(64, 145, 216)
HSL	hsl(208, 66%, 55%)
HSV	hsv(208, 70%, 85%)
CMYK	cmyk(70.4%, 32.9%, 0%, 15.3%)
CIE-LAB	lab(58.32, -1.56, -43.43)
CIE-LCH	lch(58.32, 43.46, 267.94°)
OKLab	oklab(63.9% -0.0496 -0.1232)
OKLCH	oklch(63.9% 0.133 248.1)
XYZ	xyz(24.6297, 26.2960, 68.7300)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091D8 #D88740

analogous

#40D8D3 #4091D8 #4045D8

triadic

#4091D8 #D84091 #91D840

tetradic

#4091D8 #D340D8 #D88740 #45D840

square

#4091D8 #D340D8 #D88740 #45D840

split-complementary

#4091D8 #D84045 #D8D340

monochromatic

#1B5283 #2572B6 #4091D8 #73AEE2 #A6CCED

Accessibility & contrast

On white

3.35

#4091D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#4091D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D8

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091D8	#FFFFFF	#000000	##000000
##4091D8	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DB

Deuteranopia (green-blind)

#5C86D7

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4091d8;
/* rgb */ color: rgb(64, 145, 216);
/* oklch */ color: oklch(63.9% 0.133 248.1);

Tailwind

colors: {
  custom: {
    50: '#86b0e4',
    500: '#4091d8',
    950: '#000000',
  },
}

SCSS

$custom: #4091d8;
$custom-light: #86b0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4091d8",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 216
  },
  "hsl": {
    "h": 208.026,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63904,
    "c": 0.13277,
    "h": 248.1
  },
  "luminance": 0.26299
}

Semantic roles & 50–950 ramp

primary

#4091D8

secondary

#DAB89A

accent

#8E3FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1015

muted

#7D7F84

Preview Lab

Preview with #4091D8

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

Preview Lab → · Contrast checker → · Palette generator →