#3F90ED#3F90ED

#3F90ED is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.8% C 0.160 H 254.0°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F90ED
RGB	rgb(63, 144, 237)
HSL	hsl(212, 83%, 59%)
HSV	hsv(212, 73%, 93%)
CMYK	cmyk(73.4%, 39.2%, 0%, 7.1%)
CIE-LAB	lab(59.08, 6.29, -53.91)
CIE-LCH	lch(59.08, 54.27, 276.65°)
OKLab	oklab(64.85% -0.044 -0.1538)
OKLCH	oklch(64.85% 0.16 254)
XYZ	xyz(27.3035, 27.1146, 83.8990)
Luminance	0.2712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90ED #ED9C3F

analogous

#3FE7ED #3F90ED #453FED

triadic

#3F90ED #ED3F90 #90ED3F

tetradic

#3F90ED #ED3FE7 #ED9C3F #3FED45

square

#3F90ED #ED3FE7 #ED9C3F #3FED45

split-complementary

#3F90ED #ED453F #E7ED3F

monochromatic

#0F54A2 #1471DA #3F90ED #77B0F2 #AFD1F7

Accessibility & contrast

On white

3.27

#3F90ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#3F90ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90ED

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90ED	#FFFFFF	#000000	##000000
##3F90ED	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6497F1

Deuteranopia (green-blind)

#4887EB

Tritanopia (blue-blind)

#00A6B3

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3f90ed;
/* rgb */ color: rgb(63, 144, 237);
/* oklch */ color: oklch(64.8% 0.160 254.0);

Tailwind

colors: {
  custom: {
    50: '#8ab0f3',
    500: '#3f90ed',
    950: '#000000',
  },
}

SCSS

$custom: #3f90ed;
$custom-light: #8ab0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90ed",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 237
  },
  "hsl": {
    "h": 212.069,
    "s": 82.857,
    "l": 58.824
  },
  "oklch": {
    "l": 0.64845,
    "c": 0.16002,
    "h": 254
  },
  "luminance": 0.27118
}

Semantic roles & 50–950 ramp

primary

#3F90ED

secondary

#E6C6A2

accent

#9B2FF9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1017

muted

#7E7F85

Preview Lab

Preview with #3F90ED

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

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