#3F89B2#3F89B2

#3F89B2 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.1% C 0.096 H 235.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F89B2
RGB	rgb(63, 137, 178)
HSL	hsl(201, 48%, 47%)
HSV	hsv(201, 65%, 70%)
CMYK	cmyk(64.6%, 23%, 0%, 30.2%)
CIE-LAB	lab(54.20, -10.07, -28.37)
CIE-LCH	lch(54.20, 30.11, 250.45°)
OKLab	oklab(60.07% -0.0541 -0.0796)
OKLCH	oklch(60.07% 0.096 235.8)
XYZ	xyz(19.0283, 22.1605, 45.3854)
Luminance	0.2216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89B2 #B2683F

analogous

#3FB2A1 #3F89B2 #3F50B2

triadic

#3F89B2 #B23F89 #89B23F

tetradic

#3F89B2 #A13FB2 #B2683F #50B23F

square

#3F89B2 #A13FB2 #B2683F #50B23F

split-complementary

#3F89B2 #B23F50 #B2A13F

monochromatic

#1F4358 #2F6685 #3F89B2 #66A5C9 #93C0D9

Accessibility & contrast

On white

3.87

#3F89B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#3F89B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89B2

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89B2	#FFFFFF	#000000	##000000
##3F89B2	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7688B4

Deuteranopia (green-blind)

#667CB1

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f89b2;
/* rgb */ color: rgb(63, 137, 178);
/* oklch */ color: oklch(60.1% 0.096 235.8);

Tailwind

colors: {
  custom: {
    50: '#80abc9',
    500: '#3f89b2',
    950: '#000000',
  },
}

SCSS

$custom: #3f89b2;
$custom-light: #80abc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89b2",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 178
  },
  "hsl": {
    "h": 201.391,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.60068,
    "c": 0.09623,
    "h": 235.8
  },
  "luminance": 0.22162
}

Semantic roles & 50–950 ramp

primary

#3F89B2

secondary

#C49E89

accent

#8150D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F89B2

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

Preview Lab → · Contrast checker → · Palette generator →