#3F75A2#3F75A2

#3F75A2 is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.5% C 0.091 H 245.7°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F75A2
RGB	rgb(63, 117, 162)
HSL	hsl(207, 44%, 44%)
HSV	hsv(207, 61%, 64%)
CMYK	cmyk(61.1%, 27.8%, 0%, 36.5%)
CIE-LAB	lab(47.48, -3.83, -29.55)
CIE-LCH	lch(47.48, 29.80, 262.62°)
OKLab	oklab(54.52% -0.0375 -0.0831)
OKLCH	oklch(54.52% 0.091 245.7)
XYZ	xyz(14.9304, 16.3866, 36.5515)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F75A2 #A26C3F

analogous

#3FA29E #3F75A2 #3F44A2

triadic

#3F75A2 #A23F75 #75A23F

tetradic

#3F75A2 #9E3FA2 #A26C3F #44A23F

square

#3F75A2 #9E3FA2 #A26C3F #44A23F

split-complementary

#3F75A2 #A23F44 #A29E3F

monochromatic

#1D354A #2E5576 #3F75A2 #5E94C0 #8AB1D1

Accessibility & contrast

On white

4.91

#3F75A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3F75A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F75A2

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F75A2	#FFFFFF	#000000	##FFFFFF
##3F75A2	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6176A4

Deuteranopia (green-blind)

#546CA1

Tritanopia (blue-blind)

#008085

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f75a2;
/* rgb */ color: rgb(63, 117, 162);
/* oklch */ color: oklch(54.5% 0.091 245.7);

Tailwind

colors: {
  custom: {
    50: '#7d9cbd',
    500: '#3f75a2',
    950: '#000000',
  },
}

SCSS

$custom: #3f75a2;
$custom-light: #7d9cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f75a2",
  "rgb": {
    "r": 63,
    "g": 117,
    "b": 162
  },
  "hsl": {
    "h": 207.273,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54516,
    "c": 0.0912,
    "h": 245.7
  },
  "luminance": 0.16388
}

Semantic roles & 50–950 ramp

primary

#3F75A2

secondary

#BC9C81

accent

#8E54D4

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3F75A2

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

Preview Lab → · Contrast checker → · Palette generator →