#3F7FAC#3F7FAC

#3F7FAC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.096 H 241.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FAC
RGB	rgb(63, 127, 172)
HSL	hsl(205, 46%, 46%)
HSV	hsv(205, 63%, 67%)
CMYK	cmyk(63.4%, 26.2%, 0%, 32.5%)
CIE-LAB	lab(50.93, -6.34, -29.99)
CIE-LCH	lch(50.93, 30.65, 258.06°)
OKLab	oklab(57.4% -0.0453 -0.0843)
OKLCH	oklch(57.4% 0.096 241.7)
XYZ	xyz(17.0829, 19.2124, 41.8298)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FAC #AC6C3F

analogous

#3FACA2 #3F7FAC #3F48AC

triadic

#3F7FAC #AC3F7F #7FAC3F

tetradic

#3F7FAC #A23FAC #AC6C3F #48AC3F

square

#3F7FAC #A23FAC #AC6C3F #48AC3F

split-complementary

#3F7FAC #AC3F48 #ACA23F

monochromatic

#1E3D52 #2F5E7F #3F7FAC #639DC6 #8FB9D6

Accessibility & contrast

On white

4.34

#3F7FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#3F7FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FAC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FAC	#FFFFFF	#000000	##000000
##3F7FAC	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7FAE

Deuteranopia (green-blind)

#5C74AB

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f7fac;
/* rgb */ color: rgb(63, 127, 172);
/* oklch */ color: oklch(57.4% 0.096 241.7);

Tailwind

colors: {
  custom: {
    50: '#7fa4c5',
    500: '#3f7fac',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fac;
$custom-light: #7fa4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fac",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 172
  },
  "hsl": {
    "h": 204.771,
    "s": 46.383,
    "l": 46.078
  },
  "oklch": {
    "l": 0.57396,
    "c": 0.09572,
    "h": 241.7
  },
  "luminance": 0.19214
}

Semantic roles & 50–950 ramp

primary

#3F7FAC

secondary

#C19E86

accent

#8852D6

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #3F7FAC

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

Preview Lab → · Contrast checker → · Palette generator →