#3F89B4#3F89B4

#3F89B4 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.098 H 237.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F89B4
RGB	rgb(63, 137, 180)
HSL	hsl(202, 48%, 48%)
HSV	hsv(202, 65%, 71%)
CMYK	cmyk(65%, 23.9%, 0%, 29.4%)
CIE-LAB	lab(54.28, -9.41, -29.38)
CIE-LCH	lch(54.28, 30.85, 252.24°)
OKLab	oklab(60.16% -0.0534 -0.0825)
OKLCH	oklch(60.16% 0.098 237.1)
XYZ	xyz(19.2306, 22.2414, 46.4507)
Luminance	0.2224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89B4 #B46A3F

analogous

#3FB4A4 #3F89B4 #3F4FB4

triadic

#3F89B4 #B43F89 #89B43F

tetradic

#3F89B4 #A43FB4 #B46A3F #4FB43F

square

#3F89B4 #A43FB4 #B46A3F #4FB43F

split-complementary

#3F89B4 #B43F4F #B4A43F

monochromatic

#1F4459 #2F6687 #3F89B4 #67A5CA #94C0DA

Accessibility & contrast

On white

3.85

#3F89B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3F89B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89B4

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89B4	#FFFFFF	#000000	##000000
##3F89B4	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B6

Deuteranopia (green-blind)

#657DB3

Tritanopia (blue-blind)

#009498

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f89b4;
/* rgb */ color: rgb(63, 137, 180);
/* oklch */ color: oklch(60.2% 0.098 237.1);

Tailwind

colors: {
  custom: {
    50: '#80abca',
    500: '#3f89b4',
    950: '#000000',
  },
}

SCSS

$custom: #3f89b4;
$custom-light: #80abca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89b4",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 180
  },
  "hsl": {
    "h": 202.051,
    "s": 48.148,
    "l": 47.647
  },
  "oklch": {
    "l": 0.60164,
    "c": 0.09827,
    "h": 237.1
  },
  "luminance": 0.22243
}

Semantic roles & 50–950 ramp

primary

#3F89B4

secondary

#C5A08A

accent

#8250D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F89B4

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

Preview Lab → · Contrast checker → · Palette generator →