#3F90D0#3F90D0

#3F90D0 is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.2% C 0.125 H 245.5°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F90D0
RGB	rgb(63, 144, 208)
HSL	hsl(206, 61%, 53%)
HSV	hsv(206, 70%, 82%)
CMYK	cmyk(69.7%, 30.8%, 0%, 18.4%)
CIE-LAB	lab(57.61, -3.90, -40.06)
CIE-LCH	lch(57.61, 40.25, 264.44°)
OKLab	oklab(63.21% -0.0516 -0.1133)
OKLCH	oklch(63.21% 0.125 245.5)
XYZ	xyz(23.4040, 25.5548, 63.3614)
Luminance	0.2556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90D0 #D07F3F

analogous

#3FD0C7 #3F90D0 #3F47D0

triadic

#3F90D0 #D03F90 #90D03F

tetradic

#3F90D0 #C73FD0 #D07F3F #47D03F

square

#3F90D0 #C73FD0 #D07F3F #47D03F

split-complementary

#3F90D0 #D03F47 #D0C73F

monochromatic

#1D5077 #2970A9 #3F90D0 #70ACDC #A1C9E8

Accessibility & contrast

On white

3.44

#3F90D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#3F90D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90D0

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90D0	#FFFFFF	#000000	##000000
##3F90D0	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7392D3

Deuteranopia (green-blind)

#5F84CF

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f90d0;
/* rgb */ color: rgb(63, 144, 208);
/* oklch */ color: oklch(63.2% 0.125 245.5);

Tailwind

colors: {
  custom: {
    50: '#85b0de',
    500: '#3f90d0',
    950: '#000000',
  },
}

SCSS

$custom: #3f90d0;
$custom-light: #85b0de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90d0",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 208
  },
  "hsl": {
    "h": 206.483,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.63214,
    "c": 0.12453,
    "h": 245.5
  },
  "luminance": 0.25557
}

Semantic roles & 50–950 ramp

primary

#3F90D0

secondary

#D5B296

accent

#8B44E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F90D0

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

Preview Lab → · Contrast checker → · Palette generator →