#3F90C5#3F90C5

#3F90C5 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.112 H 240.6°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F90C5
RGB	rgb(63, 144, 197)
HSL	hsl(204, 54%, 51%)
HSV	hsv(204, 68%, 77%)
CMYK	cmyk(68%, 26.9%, 0%, 22.7%)
CIE-LAB	lab(57.11, -7.67, -34.65)
CIE-LCH	lch(57.11, 35.49, 257.52°)
OKLab	oklab(62.65% -0.055 -0.0976)
OKLCH	oklch(62.65% 0.112 240.6)
XYZ	xyz(22.0973, 25.0321, 56.4796)
Luminance	0.2503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90C5 #C5743F

analogous

#3FC5B7 #3F90C5 #3F4DC5

triadic

#3F90C5 #C53F90 #90C53F

tetradic

#3F90C5 #B73FC5 #C5743F #4DC53F

square

#3F90C5 #B73FC5 #C5743F #4DC53F

split-complementary

#3F90C5 #C53F4D #C5B73F

monochromatic

#204D6A #2E6F99 #3F90C5 #6EABD3 #9DC6E1

Accessibility & contrast

On white

3.50

#3F90C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#3F90C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90C5

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90C5	#FFFFFF	#000000	##000000
##3F90C5	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7890C7

Deuteranopia (green-blind)

#6583C4

Tritanopia (blue-blind)

#009DA2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f90c5;
/* rgb */ color: rgb(63, 144, 197);
/* oklch */ color: oklch(62.6% 0.112 240.6);

Tailwind

colors: {
  custom: {
    50: '#83b0d6',
    500: '#3f90c5',
    950: '#000000',
  },
}

SCSS

$custom: #3f90c5;
$custom-light: #83b0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90c5",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 197
  },
  "hsl": {
    "h": 203.731,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62649,
    "c": 0.11206,
    "h": 240.6
  },
  "luminance": 0.25034
}

Semantic roles & 50–950 ramp

primary

#3F90C5

secondary

#CEAA92

accent

#854BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F90C5

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

Preview Lab → · Contrast checker → · Palette generator →