#3F90CE#3F90CE

#3F90CE is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.122 H 244.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F90CE
RGB	rgb(63, 144, 206)
HSL	hsl(206, 59%, 53%)
HSV	hsv(206, 69%, 81%)
CMYK	cmyk(69.4%, 30.1%, 0%, 19.2%)
CIE-LAB	lab(57.52, -4.59, -39.08)
CIE-LCH	lch(57.52, 39.35, 263.30°)
OKLab	oklab(63.11% -0.0521 -0.1105)
OKLCH	oklch(63.11% 0.122 244.7)
XYZ	xyz(23.1595, 25.4570, 62.0737)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90CE #CE7D3F

analogous

#3FCEC4 #3F90CE #3F48CE

triadic

#3F90CE #CE3F90 #90CE3F

tetradic

#3F90CE #C43FCE #CE7D3F #48CE3F

square

#3F90CE #C43FCE #CE7D3F #48CE3F

split-complementary

#3F90CE #CE3F48 #CEC43F

monochromatic

#1E4F75 #2A70A6 #3F90CE #70ACDA #A1C8E7

Accessibility & contrast

On white

3.45

#3F90CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#3F90CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90CE

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90CE	#FFFFFF	#000000	##000000
##3F90CE	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	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: #3f90ce;
/* rgb */ color: rgb(63, 144, 206);
/* oklch */ color: oklch(63.1% 0.122 244.7);

Tailwind

colors: {
  custom: {
    50: '#84b0dd',
    500: '#3f90ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f90ce;
$custom-light: #84b0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90ce",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 206
  },
  "hsl": {
    "h": 206.014,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.63109,
    "c": 0.1222,
    "h": 244.7
  },
  "luminance": 0.2546
}

Semantic roles & 50–950 ramp

primary

#3F90CE

secondary

#D3B095

accent

#8945E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F90CE

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

Preview Lab → · Contrast checker → · Palette generator →