#3F90C7#3F90C7

#3F90C7 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.114 H 241.6°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F90C7
RGB	rgb(63, 144, 199)
HSL	hsl(204, 55%, 51%)
HSV	hsv(204, 68%, 78%)
CMYK	cmyk(68.3%, 27.6%, 0%, 22%)
CIE-LAB	lab(57.20, -6.99, -35.64)
CIE-LCH	lch(57.20, 36.32, 258.91°)
OKLab	oklab(62.75% -0.0543 -0.1005)
OKLCH	oklch(62.75% 0.114 241.6)
XYZ	xyz(22.3280, 25.1244, 57.6945)
Luminance	0.2513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90C7 #C7763F

analogous

#3FC7BA #3F90C7 #3F4CC7

triadic

#3F90C7 #C73F90 #90C73F

tetradic

#3F90C7 #BA3FC7 #C7763F #4CC73F

square

#3F90C7 #BA3FC7 #C7763F #4CC73F

split-complementary

#3F90C7 #C73F4C #C7BA3F

monochromatic

#204D6C #2D6F9B #3F90C7 #6EABD5 #9EC7E3

Accessibility & contrast

On white

3.49

#3F90C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#3F90C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90C7

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90C7	#FFFFFF	#000000	##000000
##3F90C7	1.00	3.49	6.03	6.03
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7791C9

Deuteranopia (green-blind)

#6483C6

Tritanopia (blue-blind)

#009EA3

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f90c7;
/* rgb */ color: rgb(63, 144, 199);
/* oklch */ color: oklch(62.7% 0.114 241.6);

Tailwind

colors: {
  custom: {
    50: '#83b0d8',
    500: '#3f90c7',
    950: '#000000',
  },
}

SCSS

$custom: #3f90c7;
$custom-light: #83b0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90c7",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 199
  },
  "hsl": {
    "h": 204.265,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.6275,
    "c": 0.11426,
    "h": 241.6
  },
  "luminance": 0.25127
}

Semantic roles & 50–950 ramp

primary

#3F90C7

secondary

#CFAB93

accent

#864ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F90C7

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

Preview Lab → · Contrast checker → · Palette generator →