#3F708D#3F708D

#3F708D is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.3% C 0.070 H 236.2°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3F708D
RGB	rgb(63, 112, 141)
HSL	hsl(202, 38%, 40%)
HSV	hsv(202, 55%, 55%)
CMYK	cmyk(55.3%, 20.6%, 0%, 44.7%)
CIE-LAB	lab(45.04, -7.80, -20.94)
CIE-LCH	lch(45.04, 22.35, 249.57°)
OKLab	oklab(52.28% -0.039 -0.0584)
OKLCH	oklch(52.28% 0.07 236.2)
XYZ	xyz(12.6500, 14.5671, 27.3392)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F708D #8D5C3F

analogous

#3F8D83 #3F708D #3F498D

triadic

#3F708D #8D3F70 #708D3F

tetradic

#3F708D #833F8D #8D5C3F #498D3F

square

#3F708D #833F8D #8D5C3F #498D3F

split-complementary

#3F708D #8D3F49 #8D833F

monochromatic

#192D38 #2C4E63 #3F708D #5691B3 #80ACC6

Accessibility & contrast

On white

5.37

#3F708D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3F708D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F708D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F708D	#FFFFFF	#000000	##FFFFFF
##3F708D	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636F8E

Deuteranopia (green-blind)

#58678D

Tritanopia (blue-blind)

#08787A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f708d;
/* rgb */ color: rgb(63, 112, 141);
/* oklch */ color: oklch(52.3% 0.070 236.2);

Tailwind

colors: {
  custom: {
    50: '#7a99ae',
    500: '#3f708d',
    950: '#000000',
  },
}

SCSS

$custom: #3f708d;
$custom-light: #7a99ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f708d",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 141
  },
  "hsl": {
    "h": 202.308,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.52281,
    "c": 0.07023,
    "h": 236.2
  },
  "luminance": 0.14568
}

Semantic roles & 50–950 ramp

primary

#3F708D

secondary

#B18D77

accent

#855ACE

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0D10

muted

#7C7E7F

Preview Lab

Preview with #3F708D

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

Preview Lab → · Contrast checker → · Palette generator →