#3F90DE#3F90DE

#3F90DE is a light, vivid cyan. Relative luminance 0.263; OKLCH L 64.0% C 0.141 H 250.3°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F90DE
RGB	rgb(63, 144, 222)
HSL	hsl(209, 71%, 56%)
HSV	hsv(209, 72%, 87%)
CMYK	cmyk(71.6%, 35.1%, 0%, 12.9%)
CIE-LAB	lab(58.30, 0.98, -46.82)
CIE-LCH	lch(58.30, 46.83, 271.20°)
OKLab	oklab(63.98% -0.0476 -0.1331)
OKLCH	oklch(63.98% 0.141 250.3)
XYZ	xyz(25.2030, 26.2744, 72.8363)
Luminance	0.2628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90DE #DE8D3F

analogous

#3FDEDD #3F90DE #3F40DE

triadic

#3F90DE #DE3F90 #90DE3F

tetradic

#3F90DE #DD3FDE #DE8D3F #40DE3F

square

#3F90DE #DD3FDE #DE8D3F #40DE3F

split-complementary

#3F90DE #DE3F40 #DEDD3F

monochromatic

#18528B #2171BF #3F90DE #73AEE7 #A7CCF0

Accessibility & contrast

On white

3.36

#3F90DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#3F90DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90DE

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90DE	#FFFFFF	#000000	##000000
##3F90DE	1.00	3.36	6.26	6.26
#FFFFFF	3.36	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)

#6D94E1

Deuteranopia (green-blind)

#5585DC

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3f90de;
/* rgb */ color: rgb(63, 144, 222);
/* oklch */ color: oklch(64.0% 0.141 250.3);

Tailwind

colors: {
  custom: {
    50: '#87b0e8',
    500: '#3f90de',
    950: '#000000',
  },
}

SCSS

$custom: #3f90de;
$custom-light: #87b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90de",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 222
  },
  "hsl": {
    "h": 209.434,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63977,
    "c": 0.14134,
    "h": 250.3
  },
  "luminance": 0.26277
}

Semantic roles & 50–950 ramp

primary

#3F90DE

secondary

#DDBC9B

accent

#923AED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F90DE

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

Preview Lab → · Contrast checker → · Palette generator →