#3F8BB2#3F8BB2

#3F8BB2 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.5% C 0.095 H 233.8°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BB2
RGB	rgb(63, 139, 178)
HSL	hsl(200, 48%, 47%)
HSV	hsv(200, 65%, 70%)
CMYK	cmyk(64.6%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(54.80, -11.20, -27.44)
CIE-LCH	lch(54.80, 29.64, 247.79°)
OKLab	oklab(60.55% -0.0563 -0.0769)
OKLCH	oklch(60.55% 0.095 233.8)
XYZ	xyz(19.3153, 22.7344, 45.4811)
Luminance	0.2274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BB2 #B2663F

analogous

#3FB2A0 #3F8BB2 #3F51B2

triadic

#3F8BB2 #B23F8B #8BB23F

tetradic

#3F8BB2 #A03FB2 #B2663F #51B23F

square

#3F8BB2 #A03FB2 #B2663F #51B23F

split-complementary

#3F8BB2 #B23F51 #B2A03F

monochromatic

#1F4458 #2F6885 #3F8BB2 #66A7C9 #93C1D9

Accessibility & contrast

On white

3.79

#3F8BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#3F8BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BB2

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BB2	#FFFFFF	#000000	##000000
##3F8BB2	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB4

Deuteranopia (green-blind)

#687EB1

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f8bb2;
/* rgb */ color: rgb(63, 139, 178);
/* oklch */ color: oklch(60.5% 0.095 233.8);

Tailwind

colors: {
  custom: {
    50: '#80acc9',
    500: '#3f8bb2',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bb2;
$custom-light: #80acc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bb2",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 200.348,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.60546,
    "c": 0.09527,
    "h": 233.8
  },
  "luminance": 0.22736
}

Semantic roles & 50–950 ramp

primary

#3F8BB2

secondary

#C49D89

accent

#7E50D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8BB2

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

Preview Lab → · Contrast checker → · Palette generator →