#3F90BC#3F90BC

#3F90BC is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.2% C 0.103 H 235.6°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F90BC
RGB	rgb(63, 144, 188)
HSL	hsl(201, 50%, 49%)
HSV	hsv(201, 66%, 74%)
CMYK	cmyk(66.5%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.72, -10.69, -30.16)
CIE-LCH	lch(56.72, 32.00, 250.48°)
OKLab	oklab(62.21% -0.058 -0.0847)
OKLCH	oklch(62.21% 0.103 235.6)
XYZ	xyz(21.0967, 24.6319, 51.2098)
Luminance	0.2463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90BC #BC6B3F

analogous

#3FBCAA #3F90BC #3F52BC

triadic

#3F90BC #BC3F90 #90BC3F

tetradic

#3F90BC #AA3FBC #BC6B3F #52BC3F

square

#3F90BC #AA3FBC #BC6B3F #52BC3F

split-complementary

#3F90BC #BC3F52 #BCAA3F

monochromatic

#204A60 #306D8E #3F90BC #6BABCD #99C5DD

Accessibility & contrast

On white

3.54

#3F90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#3F90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90BC

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90BC	#FFFFFF	#000000	##000000
##3F90BC	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBE

Deuteranopia (green-blind)

#6A83BB

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f90bc;
/* rgb */ color: rgb(63, 144, 188);
/* oklch */ color: oklch(62.2% 0.103 235.6);

Tailwind

colors: {
  custom: {
    50: '#82b0d0',
    500: '#3f90bc',
    950: '#000000',
  },
}

SCSS

$custom: #3f90bc;
$custom-light: #82b0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90bc",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 201.12,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.62209,
    "c": 0.10265,
    "h": 235.6
  },
  "luminance": 0.24634
}

Semantic roles & 50–950 ramp

primary

#3F90BC

secondary

#C9A38E

accent

#7F4ED9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F90BC

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

Preview Lab → · Contrast checker → · Palette generator →