#3F7CBD#3F7CBD

#3F7CBD is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.119 H 251.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CBD
RGB	rgb(63, 124, 189)
HSL	hsl(211, 50%, 49%)
HSV	hsv(211, 67%, 74%)
CMYK	cmyk(66.7%, 34.4%, 0%, 25.9%)
CIE-LAB	lab(50.86, 1.28, -39.91)
CIE-LCH	lch(50.86, 39.93, 271.84°)
OKLab	oklab(57.6% -0.037 -0.1131)
OKLCH	oklch(57.6% 0.119 251.9)
XYZ	xyz(18.4395, 19.1443, 50.8577)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CBD #BD803F

analogous

#3FBBBD #3F7CBD #413FBD

triadic

#3F7CBD #BD3F7C #7CBD3F

tetradic

#3F7CBD #BD3FBB #BD803F #3FBD41

square

#3F7CBD #BD3FBB #BD803F #3FBD41

split-complementary

#3F7CBD #BD413F #BBBD3F

monochromatic

#204061 #305E8F #3F7CBD #6B9BCE #99BADD

Accessibility & contrast

On white

4.35

#3F7CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3F7CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CBD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CBD	#FFFFFF	#000000	##000000
##3F7CBD	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F80C0

Deuteranopia (green-blind)

#4E74BC

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7cbd;
/* rgb */ color: rgb(63, 124, 189);
/* oklch */ color: oklch(57.6% 0.119 251.9);

Tailwind

colors: {
  custom: {
    50: '#81a1d1',
    500: '#3f7cbd',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cbd;
$custom-light: #81a1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cbd",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 210.952,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57599,
    "c": 0.11905,
    "h": 251.9
  },
  "luminance": 0.19146
}

Semantic roles & 50–950 ramp

primary

#3F7CBD

secondary

#C9AD8F

accent

#964EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3F7CBD

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

Preview Lab → · Contrast checker → · Palette generator →