#3B8FB7#3B8FB7

#3B8FB7 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.6% C 0.100 H 232.4°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B8FB7
RGB	rgb(59, 143, 183)
HSL	hsl(199, 51%, 47%)
HSV	hsv(199, 68%, 72%)
CMYK	cmyk(67.8%, 21.9%, 0%, 28.2%)
CIE-LAB	lab(56.08, -12.45, -28.32)
CIE-LCH	lch(56.08, 30.93, 246.27°)
OKLab	oklab(61.6% -0.0612 -0.0794)
OKLCH	oklch(61.6% 0.1 232.4)
XYZ	xyz(20.1700, 23.9914, 48.3584)
Luminance	0.2399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8FB7 #B7633B

analogous

#3BB7A1 #3B8FB7 #3B51B7

triadic

#3B8FB7 #B73B8F #8FB73B

tetradic

#3B8FB7 #A13BB7 #B7633B #51B73B

square

#3B8FB7 #A13BB7 #B7633B #51B73B

split-complementary

#3B8FB7 #B73B51 #B7A13B

monochromatic

#1D475A #2C6B89 #3B8FB7 #63AACD #91C3DC

Accessibility & contrast

On white

3.62

#3B8FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#3B8FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8FB7

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8FB7	#FFFFFF	#000000	##000000
##3B8FB7	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB9

Deuteranopia (green-blind)

#6A81B6

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3b8fb7;
/* rgb */ color: rgb(59, 143, 183);
/* oklch */ color: oklch(61.6% 0.100 232.4);

Tailwind

colors: {
  custom: {
    50: '#7fafcc',
    500: '#3b8fb7',
    950: '#000000',
  },
}

SCSS

$custom: #3b8fb7;
$custom-light: #7fafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8fb7",
  "rgb": {
    "r": 59,
    "g": 143,
    "b": 183
  },
  "hsl": {
    "h": 199.355,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.61598,
    "c": 0.10026,
    "h": 232.4
  },
  "luminance": 0.23994
}

Semantic roles & 50–950 ramp

primary

#3B8FB7

secondary

#C69C87

accent

#7B4DDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B8FB7

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

Preview Lab → · Contrast checker → · Palette generator →