#3F93CB#3F93CB

#3F93CB is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.6% C 0.117 H 241.3°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F93CB
RGB	rgb(63, 147, 203)
HSL	hsl(204, 57%, 52%)
HSV	hsv(204, 69%, 80%)
CMYK	cmyk(69%, 27.6%, 0%, 20.4%)
CIE-LAB	lab(58.26, -7.33, -36.23)
CIE-LCH	lch(58.26, 36.97, 258.56°)
OKLab	oklab(63.65% -0.0561 -0.1022)
OKLCH	oklch(63.65% 0.117 241.3)
XYZ	xyz(23.2590, 26.2335, 60.3261)
Luminance	0.2624 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F93CB #CB773F

analogous

#3FCBBD #3F93CB #3F4DCB

triadic

#3F93CB #CB3F93 #93CB3F

tetradic

#3F93CB #BD3FCB #CB773F #4DCB3F

square

#3F93CB #BD3FCB #CB773F #4DCB3F

split-complementary

#3F93CB #CB3F4D #CBBD3F

monochromatic

#1F5071 #2C72A1 #3F93CB #6FAED8 #9FC9E5

Accessibility & contrast

On white

3.36

#3F93CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#3F93CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F93CB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F93CB	#FFFFFF	#000000	##000000
##3F93CB	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7994CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#00A1A6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3f93cb;
/* rgb */ color: rgb(63, 147, 203);
/* oklch */ color: oklch(63.6% 0.117 241.3);

Tailwind

colors: {
  custom: {
    50: '#84b2db',
    500: '#3f93cb',
    950: '#000000',
  },
}

SCSS

$custom: #3f93cb;
$custom-light: #84b2db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f93cb",
  "rgb": {
    "r": 63,
    "g": 147,
    "b": 203
  },
  "hsl": {
    "h": 204,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.63649,
    "c": 0.11657,
    "h": 241.3
  },
  "luminance": 0.26236
}

Semantic roles & 50–950 ramp

primary

#3F93CB

secondary

#D1AD94

accent

#8547E1

background

#F8FAFD

surface

#F0F5FB

border

#CBCFD4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F93CB

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

Preview Lab → · Contrast checker → · Palette generator →