#3F7CA4#3F7CA4

#3F7CA4 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.089 H 239.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CA4
RGB	rgb(63, 124, 164)
HSL	hsl(204, 44%, 45%)
HSV	hsv(204, 62%, 64%)
CMYK	cmyk(61.6%, 24.4%, 0%, 35.7%)
CIE-LAB	lab(49.68, -7.27, -27.30)
CIE-LCH	lch(49.68, 28.25, 255.08°)
OKLab	oklab(56.29% -0.0448 -0.0766)
OKLCH	oklch(56.29% 0.089 239.7)
XYZ	xyz(15.9559, 18.1509, 37.7774)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CA4 #A4673F

analogous

#3FA499 #3F7CA4 #3F4AA4

triadic

#3F7CA4 #A43F7C #7CA43F

tetradic

#3F7CA4 #993FA4 #A4673F #4AA43F

square

#3F7CA4 #993FA4 #A4673F #4AA43F

split-complementary

#3F7CA4 #A43F4A #A4993F

monochromatic

#1D394C #2E5B78 #3F7CA4 #5F9AC1 #8BB6D2

Accessibility & contrast

On white

4.54

#3F7CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3F7CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CA4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CA4	#FFFFFF	#000000	##000000
##3F7CA4	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA6

Deuteranopia (green-blind)

#5C72A3

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3f7ca4;
/* rgb */ color: rgb(63, 124, 164);
/* oklch */ color: oklch(56.3% 0.089 239.7);

Tailwind

colors: {
  custom: {
    50: '#7da1bf',
    500: '#3f7ca4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ca4;
$custom-light: #7da1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ca4",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 164
  },
  "hsl": {
    "h": 203.762,
    "s": 44.493,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56285,
    "c": 0.08868,
    "h": 239.7
  },
  "luminance": 0.18152
}

Semantic roles & 50–950 ramp

primary

#3F7CA4

secondary

#BD9982

accent

#8754D4

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #3F7CA4

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

Preview Lab → · Contrast checker → · Palette generator →