#3F8BC4#3F8BC4

#3F8BC4 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.4% C 0.115 H 244.0°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F8BC4
RGB	rgb(63, 139, 196)
HSL	hsl(206, 53%, 51%)
HSV	hsv(206, 68%, 77%)
CMYK	cmyk(67.9%, 29.1%, 0%, 23.1%)
CIE-LAB	lab(55.59, -5.14, -36.46)
CIE-LCH	lch(55.59, 36.82, 261.97°)
OKLab	oklab(61.43% -0.0502 -0.1029)
OKLCH	oklch(61.43% 0.115 244)
XYZ	xyz(21.2425, 23.5053, 55.6313)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8BC4 #C4783F

analogous

#3FC4BA #3F8BC4 #3F48C4

triadic

#3F8BC4 #C43F8B #8BC43F

tetradic

#3F8BC4 #BA3FC4 #C4783F #48C43F

square

#3F8BC4 #BA3FC4 #C4783F #48C43F

split-complementary

#3F8BC4 #C43F48 #C4BA3F

monochromatic

#204968 #2E6A97 #3F8BC4 #6EA7D2 #9DC4E1

Accessibility & contrast

On white

3.68

#3F8BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#3F8BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8BC4

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8BC4	#FFFFFF	#000000	##000000
##3F8BC4	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718CC7

Deuteranopia (green-blind)

#5F7FC3

Tritanopia (blue-blind)

#00999F

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8bc4;
/* rgb */ color: rgb(63, 139, 196);
/* oklch */ color: oklch(61.4% 0.115 244.0);

Tailwind

colors: {
  custom: {
    50: '#82acd6',
    500: '#3f8bc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f8bc4;
$custom-light: #82acd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8bc4",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 196
  },
  "hsl": {
    "h": 205.714,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.61434,
    "c": 0.11454,
    "h": 244
  },
  "luminance": 0.23508
}

Semantic roles & 50–950 ramp

primary

#3F8BC4

secondary

#CDAB92

accent

#8A4BDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8BC4

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

Preview Lab → · Contrast checker → · Palette generator →