#3F93BB#3F93BB

#3F93BB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 62.9% C 0.100 H 232.2°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F93BB
RGB	rgb(63, 147, 187)
HSL	hsl(199, 50%, 49%)
HSV	hsv(199, 66%, 73%)
CMYK	cmyk(66.3%, 21.4%, 0%, 26.7%)
CIE-LAB	lab(57.57, -12.69, -28.27)
CIE-LCH	lch(57.57, 30.99, 245.82°)
OKLab	oklab(62.88% -0.0615 -0.0792)
OKLCH	oklch(62.88% 0.1 232.2)
XYZ	xyz(21.4497, 25.5098, 50.7975)
Luminance	0.2551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F93BB #BB673F

analogous

#3FBBA5 #3F93BB #3F55BB

triadic

#3F93BB #BB3F93 #93BB3F

tetradic

#3F93BB #A53FBB #BB673F #55BB3F

square

#3F93BB #A53FBB #BB673F #55BB3F

split-complementary

#3F93BB #BB3F55 #BBA53F

monochromatic

#204B5F #306F8D #3F93BB #6AADCD #98C6DC

Accessibility & contrast

On white

3.44

#3F93BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#3F93BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F93BB

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F93BB	#FFFFFF	#000000	##000000
##3F93BB	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F91BD

Deuteranopia (green-blind)

#6E85BA

Tritanopia (blue-blind)

#009EA0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3f93bb;
/* rgb */ color: rgb(63, 147, 187);
/* oklch */ color: oklch(62.9% 0.100 232.2);

Tailwind

colors: {
  custom: {
    50: '#82b2cf',
    500: '#3f93bb',
    950: '#000000',
  },
}

SCSS

$custom: #3f93bb;
$custom-light: #82b2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f93bb",
  "rgb": {
    "r": 63,
    "g": 147,
    "b": 187
  },
  "hsl": {
    "h": 199.355,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.62875,
    "c": 0.10031,
    "h": 232.2
  },
  "luminance": 0.25512
}

Semantic roles & 50–950 ramp

primary

#3F93BB

secondary

#C8A18E

accent

#7B4FD9

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3F93BB

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

Preview Lab → · Contrast checker → · Palette generator →