#3F89BF#3F89BF

#3F89BF is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.110 H 243.2°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3F89BF
RGB	rgb(63, 137, 191)
HSL	hsl(205, 50%, 50%)
HSV	hsv(205, 67%, 75%)
CMYK	cmyk(67%, 28.3%, 0%, 25.1%)
CIE-LAB	lab(54.77, -5.70, -34.90)
CIE-LCH	lch(54.77, 35.36, 260.73°)
OKLab	oklab(60.71% -0.0497 -0.0984)
OKLCH	oklch(60.71% 0.11 243.2)
XYZ	xyz(20.3960, 22.7075, 52.5882)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89BF #BF753F

analogous

#3FBFB5 #3F89BF #3F49BF

triadic

#3F89BF #BF3F89 #89BF3F

tetradic

#3F89BF #B53FBF #BF753F #49BF3F

square

#3F89BF #B53FBF #BF753F #49BF3F

split-complementary

#3F89BF #BF3F49 #BFB53F

monochromatic

#214763 #306891 #3F89BF #6DA5CF #9BC1DE

Accessibility & contrast

On white

3.79

#3F89BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#3F89BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89BF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89BF	#FFFFFF	#000000	##000000
##3F89BF	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718AC1

Deuteranopia (green-blind)

#5F7EBE

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f89bf;
/* rgb */ color: rgb(63, 137, 191);
/* oklch */ color: oklch(60.7% 0.110 243.2);

Tailwind

colors: {
  custom: {
    50: '#82abd2',
    500: '#3f89bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f89bf;
$custom-light: #82abd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89bf",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 191
  },
  "hsl": {
    "h": 205.313,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.60711,
    "c": 0.1103,
    "h": 243.2
  },
  "luminance": 0.2271
}

Semantic roles & 50–950 ramp

primary

#3F89BF

secondary

#CAA890

accent

#894EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F89BF

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

Preview Lab → · Contrast checker → · Palette generator →