#4090D2#4090D2

#4090D2 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.4% C 0.126 H 246.5°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#4090D2
RGB	rgb(64, 144, 210)
HSL	hsl(207, 62%, 54%)
HSV	hsv(207, 70%, 82%)
CMYK	cmyk(69.5%, 31.4%, 0%, 17.6%)
CIE-LAB	lab(57.74, -3.06, -40.98)
CIE-LCH	lch(57.74, 41.09, 265.73°)
OKLab	oklab(63.36% -0.0503 -0.116)
OKLCH	oklch(63.36% 0.126 246.5)
XYZ	xyz(23.7161, 25.6871, 64.6685)
Luminance	0.2569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090D2 #D28240

analogous

#40D2CB #4090D2 #4047D2

triadic

#4090D2 #D24090 #90D240

tetradic

#4090D2 #CB40D2 #D28240 #47D240

square

#4090D2 #CB40D2 #D28240 #47D240

split-complementary

#4090D2 #D24047 #D2CB40

monochromatic

#1D507B #2971AC #4090D2 #72ADDE #A3CAE9

Accessibility & contrast

On white

3.42

#4090D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#4090D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090D2

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090D2	#FFFFFF	#000000	##000000
##4090D2	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7292D5

Deuteranopia (green-blind)

#5E84D1

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4090d2;
/* rgb */ color: rgb(64, 144, 210);
/* oklch */ color: oklch(63.4% 0.126 246.5);

Tailwind

colors: {
  custom: {
    50: '#85b0e0',
    500: '#4090d2',
    950: '#000000',
  },
}

SCSS

$custom: #4090d2;
$custom-light: #85b0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4090d2",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 210
  },
  "hsl": {
    "h": 207.123,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.63355,
    "c": 0.12647,
    "h": 246.5
  },
  "luminance": 0.2569
}

Semantic roles & 50–950 ramp

primary

#4090D2

secondary

#D6B498

accent

#8C43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090D2

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

Preview Lab → · Contrast checker → · Palette generator →