#3F8BCA#3F8BCA

#3F8BCA is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.122 H 246.5°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BCA
RGB	rgb(63, 139, 202)
HSL	hsl(207, 57%, 52%)
HSV	hsv(207, 69%, 79%)
CMYK	cmyk(68.8%, 31.2%, 0%, 20.8%)
CIE-LAB	lab(55.87, -3.08, -39.41)
CIE-LCH	lch(55.87, 39.53, 265.54°)
OKLab	oklab(61.75% -0.0484 -0.1115)
OKLCH	oklch(61.75% 0.122 246.5)
XYZ	xyz(21.9392, 23.7839, 59.3002)
Luminance	0.2379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BCA #CA7E3F

analogous

#3FCAC4 #3F8BCA #3F46CA

triadic

#3F8BCA #CA3F8B #8BCA3F

tetradic

#3F8BCA #C43FCA #CA7E3F #46CA3F

square

#3F8BCA #C43FCA #CA7E3F #46CA3F

split-complementary

#3F8BCA #CA3F46 #CAC43F

monochromatic

#1F4B70 #2C6BA0 #3F8BCA #6FA8D7 #9FC5E4

Accessibility & contrast

On white

3.65

#3F8BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#3F8BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BCA

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BCA	#FFFFFF	#000000	##000000
##3F8BCA	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8DCD

Deuteranopia (green-blind)

#5C80C9

Tritanopia (blue-blind)

#009AA1

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8bca;
/* rgb */ color: rgb(63, 139, 202);
/* oklch */ color: oklch(61.7% 0.122 246.5);

Tailwind

colors: {
  custom: {
    50: '#83acda',
    500: '#3f8bca',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bca;
$custom-light: #83acda;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bca",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 202
  },
  "hsl": {
    "h": 207.194,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.61748,
    "c": 0.12158,
    "h": 246.5
  },
  "luminance": 0.23786
}

Semantic roles & 50–950 ramp

primary

#3F8BCA

secondary

#D1B094

accent

#8D48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8BCA

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

Preview Lab → · Contrast checker → · Palette generator →