#3F7EBC#3F7EBC

#3F7EBC is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.116 H 250.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EBC
RGB	rgb(63, 126, 188)
HSL	hsl(210, 50%, 49%)
HSV	hsv(210, 66%, 74%)
CMYK	cmyk(66.5%, 33%, 0%, 26.3%)
CIE-LAB	lab(51.39, -0.27, -38.49)
CIE-LCH	lch(51.39, 38.49, 269.60°)
OKLab	oklab(58% -0.0393 -0.109)
OKLCH	oklch(58% 0.116 250.2)
XYZ	xyz(18.5845, 19.6074, 50.3724)
Luminance	0.1961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EBC #BC7D3F

analogous

#3FBCBC #3F7EBC #3F40BC

triadic

#3F7EBC #BC3F7E #7EBC3F

tetradic

#3F7EBC #BC3FBC #BC7D3F #40BC3F

square

#3F7EBC #BC3FBC #BC7D3F #40BC3F

split-complementary

#3F7EBC #BC3F40 #BCBC3F

monochromatic

#204160 #305F8E #3F7EBC #6B9CCD #99BBDD

Accessibility & contrast

On white

4.27

#3F7EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3F7EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EBC

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EBC	#FFFFFF	#000000	##000000
##3F7EBC	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BF

Deuteranopia (green-blind)

#5175BB

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f7ebc;
/* rgb */ color: rgb(63, 126, 188);
/* oklch */ color: oklch(58.0% 0.116 250.2);

Tailwind

colors: {
  custom: {
    50: '#81a3d0',
    500: '#3f7ebc',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ebc;
$custom-light: #81a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ebc",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 209.76,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.58002,
    "c": 0.11587,
    "h": 250.2
  },
  "luminance": 0.19609
}

Semantic roles & 50–950 ramp

primary

#3F7EBC

secondary

#C9AB8E

accent

#934ED9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #3F7EBC

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

Preview Lab → · Contrast checker → · Palette generator →