#3F7FA4#3F7FA4

#3F7FA4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.087 H 236.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FA4
RGB	rgb(63, 127, 164)
HSL	hsl(202, 44%, 45%)
HSV	hsv(202, 62%, 64%)
CMYK	cmyk(61.6%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(50.59, -9.01, -25.89)
CIE-LCH	lch(50.59, 27.41, 250.82°)
OKLab	oklab(57.01% -0.0481 -0.0725)
OKLCH	oklch(57.01% 0.087 236.4)
XYZ	xyz(16.3376, 18.9143, 37.9046)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FA4 #A4643F

analogous

#3FA497 #3F7FA4 #3F4DA4

triadic

#3F7FA4 #A43F7F #7FA43F

tetradic

#3F7FA4 #973FA4 #A4643F #4DA43F

square

#3F7FA4 #973FA4 #A4643F #4DA43F

split-complementary

#3F7FA4 #A43F4D #A4973F

monochromatic

#1D3B4C #2E5D78 #3F7FA4 #5F9DC1 #8BB8D2

Accessibility & contrast

On white

4.39

#3F7FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3F7FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FA4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FA4	#FFFFFF	#000000	##000000
##3F7FA4	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA6

Deuteranopia (green-blind)

#6074A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f7fa4;
/* rgb */ color: rgb(63, 127, 164);
/* oklch */ color: oklch(57.0% 0.087 236.4);

Tailwind

colors: {
  custom: {
    50: '#7ea4bf',
    500: '#3f7fa4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fa4;
$custom-light: #7ea4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fa4",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 201.98,
    "s": 44.493,
    "l": 44.51
  },
  "oklch": {
    "l": 0.57005,
    "c": 0.08701,
    "h": 236.4
  },
  "luminance": 0.18916
}

Semantic roles & 50–950 ramp

primary

#3F7FA4

secondary

#BD9782

accent

#8354D4

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3F7FA4

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

Preview Lab → · Contrast checker → · Palette generator →