#3F7BC1#3F7BC1

#3F7BC1 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.125 H 253.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F7BC1
RGB	rgb(63, 123, 193)
HSL	hsl(212, 51%, 50%)
HSV	hsv(212, 67%, 76%)
CMYK	cmyk(67.4%, 36.3%, 0%, 24.3%)
CIE-LAB	lab(50.77, 3.29, -42.34)
CIE-LCH	lch(50.77, 42.47, 274.44°)
OKLab	oklab(57.6% -0.0349 -0.1203)
OKLCH	oklch(57.6% 0.125 253.8)
XYZ	xyz(18.7550, 19.0710, 53.1344)
Luminance	0.1907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7BC1 #C1853F

analogous

#3FBCC1 #3F7BC1 #443FC1

triadic

#3F7BC1 #C13F7B #7BC13F

tetradic

#3F7BC1 #C13FBC #C1853F #3FC144

square

#3F7BC1 #C13FBC #C1853F #3FC144

split-complementary

#3F7BC1 #C1443F #BCC13F

monochromatic

#214065 #305E93 #3F7BC1 #6D9BD0 #9CBBDF

Accessibility & contrast

On white

4.36

#3F7BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3F7BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7BC1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7BC1	#FFFFFF	#000000	##000000
##3F7BC1	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C80C4

Deuteranopia (green-blind)

#4973C0

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7bc1;
/* rgb */ color: rgb(63, 123, 193);
/* oklch */ color: oklch(57.6% 0.125 253.8);

Tailwind

colors: {
  custom: {
    50: '#82a0d4',
    500: '#3f7bc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f7bc1;
$custom-light: #82a0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7bc1",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 193
  },
  "hsl": {
    "h": 212.308,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57599,
    "c": 0.12523,
    "h": 253.8
  },
  "luminance": 0.19073
}

Semantic roles & 50–950 ramp

primary

#3F7BC1

secondary

#CBB091

accent

#994DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7BC1

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

Preview Lab → · Contrast checker → · Palette generator →