#3F7BA3#3F7BA3

#3F7BA3 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.088 H 240.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F7BA3
RGB	rgb(63, 123, 163)
HSL	hsl(204, 44%, 44%)
HSV	hsv(204, 61%, 64%)
CMYK	cmyk(61.3%, 24.5%, 0%, 36.1%)
CIE-LAB	lab(49.33, -7.03, -27.25)
CIE-LCH	lch(49.33, 28.14, 255.54°)
OKLab	oklab(56% -0.044 -0.0764)
OKLCH	oklch(56% 0.088 240.1)
XYZ	xyz(15.7412, 17.8655, 37.2621)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7BA3 #A3673F

analogous

#3FA399 #3F7BA3 #3F49A3

triadic

#3F7BA3 #A33F7B #7BA33F

tetradic

#3F7BA3 #993FA3 #A3673F #49A33F

square

#3F7BA3 #993FA3 #A3673F #49A33F

split-complementary

#3F7BA3 #A33F49 #A3993F

monochromatic

#1D384B #2E5A77 #3F7BA3 #5E99C1 #8AB5D2

Accessibility & contrast

On white

4.59

#3F7BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3F7BA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7BA3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7BA3	#FFFFFF	#000000	##FFFFFF
##3F7BA3	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697BA5

Deuteranopia (green-blind)

#5B71A2

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f7ba3;
/* rgb */ color: rgb(63, 123, 163);
/* oklch */ color: oklch(56.0% 0.088 240.1);

Tailwind

colors: {
  custom: {
    50: '#7da1be',
    500: '#3f7ba3',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ba3;
$custom-light: #7da1be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ba3",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 163
  },
  "hsl": {
    "h": 204,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55996,
    "c": 0.08818,
    "h": 240.1
  },
  "luminance": 0.17867
}

Semantic roles & 50–950 ramp

primary

#3F7BA3

secondary

#BD9981

accent

#8754D4

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3F7BA3

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

Preview Lab → · Contrast checker → · Palette generator →