#4090CE#4090CE

#4090CE is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.122 H 245.0°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4090CE
RGB	rgb(64, 144, 206)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 81%)
CMYK	cmyk(68.9%, 30.1%, 0%, 19.2%)
CIE-LAB	lab(57.55, -4.44, -39.03)
CIE-LCH	lch(57.55, 39.28, 263.51°)
OKLab	oklab(63.14% -0.0515 -0.1103)
OKLCH	oklch(63.14% 0.122 245)
XYZ	xyz(23.2240, 25.4902, 62.0767)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090CE #CE7E40

analogous

#40CEC5 #4090CE #4049CE

triadic

#4090CE #CE4090 #90CE40

tetradic

#4090CE #C540CE #CE7E40 #49CE40

square

#4090CE #C540CE #CE7E40 #49CE40

split-complementary

#4090CE #CE4049 #CEC540

monochromatic

#1E4F75 #2B70A6 #4090CE #71ACDA #A1C9E7

Accessibility & contrast

On white

3.44

#4090CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#4090CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090CE

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090CE	#FFFFFF	#000000	##000000
##4090CE	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D1

Deuteranopia (green-blind)

#6084CD

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4090ce;
/* rgb */ color: rgb(64, 144, 206);
/* oklch */ color: oklch(63.1% 0.122 245.0);

Tailwind

colors: {
  custom: {
    50: '#85b0dd',
    500: '#4090ce',
    950: '#000000',
  },
}

SCSS

$custom: #4090ce;
$custom-light: #85b0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4090ce",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 206
  },
  "hsl": {
    "h": 206.197,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63144,
    "c": 0.12179,
    "h": 245
  },
  "luminance": 0.25493
}

Semantic roles & 50–950 ramp

primary

#4090CE

secondary

#D4B196

accent

#8A45E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4090CE

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

Preview Lab → · Contrast checker → · Palette generator →