#3F89B3#3F89B3

#3F89B3 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.1% C 0.097 H 236.4°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F89B3
RGB	rgb(63, 137, 179)
HSL	hsl(202, 48%, 47%)
HSV	hsv(202, 65%, 70%)
CMYK	cmyk(64.8%, 23.5%, 0%, 29.8%)
CIE-LAB	lab(54.24, -9.74, -28.88)
CIE-LCH	lch(54.24, 30.48, 251.36°)
OKLab	oklab(60.12% -0.0538 -0.081)
OKLCH	oklch(60.12% 0.097 236.4)
XYZ	xyz(19.1291, 22.2008, 45.9161)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89B3 #B3693F

analogous

#3FB3A3 #3F89B3 #3F4FB3

triadic

#3F89B3 #B33F89 #89B33F

tetradic

#3F89B3 #A33FB3 #B3693F #4FB33F

square

#3F89B3 #A33FB3 #B3693F #4FB33F

split-complementary

#3F89B3 #B33F4F #B3A33F

monochromatic

#1F4458 #2F6686 #3F89B3 #66A5C9 #93C0D9

Accessibility & contrast

On white

3.86

#3F89B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#3F89B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89B3

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89B3	#FFFFFF	#000000	##000000
##3F89B3	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B5

Deuteranopia (green-blind)

#657DB2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f89b3;
/* rgb */ color: rgb(63, 137, 179);
/* oklch */ color: oklch(60.1% 0.097 236.4);

Tailwind

colors: {
  custom: {
    50: '#80abca',
    500: '#3f89b3',
    950: '#000000',
  },
}

SCSS

$custom: #3f89b3;
$custom-light: #80abca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89b3",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 179
  },
  "hsl": {
    "h": 201.724,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.60116,
    "c": 0.09724,
    "h": 236.4
  },
  "luminance": 0.22203
}

Semantic roles & 50–950 ramp

primary

#3F89B3

secondary

#C49F89

accent

#8150D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F89B3

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

Preview Lab → · Contrast checker → · Palette generator →