#3F8CCA#3F8CCA

#3F8CCA is a mid, vivid cyan. Relative luminance 0.241; OKLCH L 62.0% C 0.121 H 245.9°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CCA
RGB	rgb(63, 140, 202)
HSL	hsl(207, 57%, 52%)
HSV	hsv(207, 69%, 79%)
CMYK	cmyk(68.8%, 30.7%, 0%, 20.8%)
CIE-LAB	lab(56.16, -3.66, -38.95)
CIE-LCH	lch(56.16, 39.13, 264.64°)
OKLab	oklab(61.98% -0.0494 -0.1102)
OKLCH	oklch(61.98% 0.121 245.9)
XYZ	xyz(22.0846, 24.0748, 59.3487)
Luminance	0.2408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CCA #CA7D3F

analogous

#3FCAC3 #3F8CCA #3F46CA

triadic

#3F8CCA #CA3F8C #8CCA3F

tetradic

#3F8CCA #C33FCA #CA7D3F #46CA3F

square

#3F8CCA #C33FCA #CA7D3F #46CA3F

split-complementary

#3F8CCA #CA3F46 #CAC33F

monochromatic

#1F4C70 #2C6CA0 #3F8CCA #6FA9D7 #9FC5E4

Accessibility & contrast

On white

3.61

#3F8CCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#3F8CCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CCA

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CCA	#FFFFFF	#000000	##000000
##3F8CCA	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708ECD

Deuteranopia (green-blind)

#5D81C9

Tritanopia (blue-blind)

#009BA2

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8cca;
/* rgb */ color: rgb(63, 140, 202);
/* oklch */ color: oklch(62.0% 0.121 245.9);

Tailwind

colors: {
  custom: {
    50: '#83adda',
    500: '#3f8cca',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cca;
$custom-light: #83adda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cca",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 202
  },
  "hsl": {
    "h": 206.763,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.61978,
    "c": 0.12075,
    "h": 245.9
  },
  "luminance": 0.24077
}

Semantic roles & 50–950 ramp

primary

#3F8CCA

secondary

#D1AF94

accent

#8C48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8CCA

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

Preview Lab → · Contrast checker → · Palette generator →