#3F8EC1#3F8EC1

#3F8EC1 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 62.0% C 0.109 H 240.2°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EC1
RGB	rgb(63, 142, 193)
HSL	hsl(204, 51%, 50%)
HSV	hsv(204, 67%, 76%)
CMYK	cmyk(67.4%, 26.4%, 0%, 24.3%)
CIE-LAB	lab(56.34, -7.89, -33.59)
CIE-LCH	lch(56.34, 34.50, 256.79°)
OKLab	oklab(61.98% -0.0542 -0.0946)
OKLCH	oklch(61.98% 0.109 240.2)
XYZ	xyz(21.3448, 24.2508, 53.9977)
Luminance	0.2425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EC1 #C1723F

analogous

#3FC1B3 #3F8EC1 #3F4DC1

triadic

#3F8EC1 #C13F8E #8EC13F

tetradic

#3F8EC1 #B33FC1 #C1723F #4DC13F

square

#3F8EC1 #B33FC1 #C1723F #4DC13F

split-complementary

#3F8EC1 #C13F4D #C1B33F

monochromatic

#214A65 #306C93 #3F8EC1 #6DA9D0 #9CC4DF

Accessibility & contrast

On white

3.59

#3F8EC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3F8EC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EC1

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EC1	#FFFFFF	#000000	##000000
##3F8EC1	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778EC3

Deuteranopia (green-blind)

#6581C0

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8ec1;
/* rgb */ color: rgb(63, 142, 193);
/* oklch */ color: oklch(62.0% 0.109 240.2);

Tailwind

colors: {
  custom: {
    50: '#82aed4',
    500: '#3f8ec1',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ec1;
$custom-light: #82aed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ec1",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 193
  },
  "hsl": {
    "h": 203.538,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.61981,
    "c": 0.10904,
    "h": 240.2
  },
  "luminance": 0.24253
}

Semantic roles & 50–950 ramp

primary

#3F8EC1

secondary

#CBA891

accent

#854DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8EC1

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

Preview Lab → · Contrast checker → · Palette generator →