#3F8EBC#3F8EBC

#3F8EBC is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.7% C 0.104 H 237.4°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EBC
RGB	rgb(63, 142, 188)
HSL	hsl(202, 50%, 49%)
HSV	hsv(202, 66%, 74%)
CMYK	cmyk(66.5%, 24.5%, 0%, 26.3%)
CIE-LAB	lab(56.12, -9.57, -31.09)
CIE-LCH	lch(56.12, 32.53, 252.90°)
OKLab	oklab(61.74% -0.0559 -0.0874)
OKLCH	oklch(61.74% 0.104 237.4)
XYZ	xyz(20.7965, 24.0314, 51.1097)
Luminance	0.2403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EBC #BC6D3F

analogous

#3FBCAC #3F8EBC #3F50BC

triadic

#3F8EBC #BC3F8E #8EBC3F

tetradic

#3F8EBC #AC3FBC #BC6D3F #50BC3F

square

#3F8EBC #AC3FBC #BC6D3F #50BC3F

split-complementary

#3F8EBC #BC3F50 #BCAC3F

monochromatic

#204960 #306B8E #3F8EBC #6BA9CD #99C4DD

Accessibility & contrast

On white

3.62

#3F8EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3F8EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EBC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EBC	#FFFFFF	#000000	##000000
##3F8EBC	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBE

Deuteranopia (green-blind)

#6781BB

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8ebc;
/* rgb */ color: rgb(63, 142, 188);
/* oklch */ color: oklch(61.7% 0.104 237.4);

Tailwind

colors: {
  custom: {
    50: '#81afd0',
    500: '#3f8ebc',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ebc;
$custom-light: #81afd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ebc",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 188
  },
  "hsl": {
    "h": 202.08,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.61736,
    "c": 0.10374,
    "h": 237.4
  },
  "luminance": 0.24034
}

Semantic roles & 50–950 ramp

primary

#3F8EBC

secondary

#C9A48E

accent

#824ED9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F8EBC

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

Preview Lab → · Contrast checker → · Palette generator →