#3F8EB2#3F8EB2

#3F8EB2 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.3% C 0.094 H 230.8°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EB2
RGB	rgb(63, 142, 178)
HSL	hsl(199, 48%, 47%)
HSV	hsv(199, 65%, 70%)
CMYK	cmyk(64.6%, 20.2%, 0%, 30.2%)
CIE-LAB	lab(55.70, -12.87, -26.04)
CIE-LCH	lch(55.70, 29.05, 243.69°)
OKLab	oklab(61.26% -0.0595 -0.0729)
OKLCH	oklch(61.26% 0.094 230.8)
XYZ	xyz(19.7556, 23.6151, 45.6279)
Luminance	0.2362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EB2 #B2633F

analogous

#3FB29D #3F8EB2 #3F54B2

triadic

#3F8EB2 #B23F8E #8EB23F

tetradic

#3F8EB2 #9D3FB2 #B2633F #54B23F

square

#3F8EB2 #9D3FB2 #B2633F #54B23F

split-complementary

#3F8EB2 #B23F54 #B29D3F

monochromatic

#1F4658 #2F6A85 #3F8EB2 #66AAC9 #93C3D9

Accessibility & contrast

On white

3.67

#3F8EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#3F8EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EB2

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EB2	#FFFFFF	#000000	##000000
##3F8EB2	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB4

Deuteranopia (green-blind)

#6C80B1

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8eb2;
/* rgb */ color: rgb(63, 142, 178);
/* oklch */ color: oklch(61.3% 0.094 230.8);

Tailwind

colors: {
  custom: {
    50: '#80afc9',
    500: '#3f8eb2',
    950: '#000000',
  },
}

SCSS

$custom: #3f8eb2;
$custom-light: #80afc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8eb2",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 178
  },
  "hsl": {
    "h": 198.783,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.61264,
    "c": 0.09406,
    "h": 230.8
  },
  "luminance": 0.23617
}

Semantic roles & 50–950 ramp

primary

#3F8EB2

secondary

#C49B89

accent

#7B50D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8EB2

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

Preview Lab → · Contrast checker → · Palette generator →