#3F76BA#3F76BA

#3F76BA is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.1% C 0.121 H 254.9°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F76BA
RGB	rgb(63, 118, 186)
HSL	hsl(213, 49%, 49%)
HSV	hsv(213, 66%, 73%)
CMYK	cmyk(66.1%, 36.6%, 0%, 27.1%)
CIE-LAB	lab(48.95, 3.86, -41.19)
CIE-LCH	lch(48.95, 41.37, 275.36°)
OKLab	oklab(56.06% -0.0316 -0.117)
OKLCH	oklch(56.06% 0.121 254.9)
XYZ	xyz(17.3880, 17.5571, 48.9173)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76BA #BA833F

analogous

#3FB4BA #3F76BA #463FBA

triadic

#3F76BA #BA3F76 #76BA3F

tetradic

#3F76BA #BA3FB4 #BA833F #3FBA46

square

#3F76BA #BA3FB4 #BA833F #3FBA46

split-complementary

#3F76BA #BA463F #B4BA3F

monochromatic

#203C5F #30598C #3F76BA #6A96CC #97B6DC

Accessibility & contrast

On white

4.65

#3F76BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3F76BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F76BA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76BA	#FFFFFF	#000000	##FFFFFF
##3F76BA	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBD

Deuteranopia (green-blind)

#476FB9

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f76ba;
/* rgb */ color: rgb(63, 118, 186);
/* oklch */ color: oklch(56.1% 0.121 254.9);

Tailwind

colors: {
  custom: {
    50: '#819dcf',
    500: '#3f76ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f76ba;
$custom-light: #819dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76ba",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 186
  },
  "hsl": {
    "h": 213.171,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56062,
    "c": 0.12117,
    "h": 254.9
  },
  "luminance": 0.17559
}

Semantic roles & 50–950 ramp

primary

#3F76BA

secondary

#C8AD8D

accent

#9B4FD9

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3F76BA

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

Preview Lab → · Contrast checker → · Palette generator →