#3F708E#3F708E

#3F708E is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.3% C 0.071 H 237.2°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F708E
RGB	rgb(63, 112, 142)
HSL	hsl(203, 39%, 40%)
HSV	hsv(203, 56%, 56%)
CMYK	cmyk(55.6%, 21.1%, 0%, 44.3%)
CIE-LAB	lab(45.08, -7.48, -21.47)
CIE-LCH	lch(45.08, 22.74, 250.79°)
OKLab	oklab(52.33% -0.0387 -0.0599)
OKLCH	oklch(52.33% 0.071 237.2)
XYZ	xyz(12.7248, 14.5970, 27.7329)
Luminance	0.1460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F708E #8E5D3F

analogous

#3F8E85 #3F708E #3F488E

triadic

#3F708E #8E3F70 #708E3F

tetradic

#3F708E #853F8E #8E5D3F #488E3F

square

#3F708E #853F8E #8E5D3F #488E3F

split-complementary

#3F708E #8E3F48 #8E853F

monochromatic

#192D39 #2C4F64 #3F708E #5690B4 #81ACC7

Accessibility & contrast

On white

5.36

#3F708E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3F708E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F708E

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F708E	#FFFFFF	#000000	##FFFFFF
##3F708E	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626F8F

Deuteranopia (green-blind)

#57678E

Tritanopia (blue-blind)

#05787A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f708e;
/* rgb */ color: rgb(63, 112, 142);
/* oklch */ color: oklch(52.3% 0.071 237.2);

Tailwind

colors: {
  custom: {
    50: '#7a99af',
    500: '#3f708e',
    950: '#000000',
  },
}

SCSS

$custom: #3f708e;
$custom-light: #7a99af;
$custom-dark: #000000;

JSON

{
  "hex": "#3f708e",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 142
  },
  "hsl": {
    "h": 202.785,
    "s": 38.537,
    "l": 40.196
  },
  "oklch": {
    "l": 0.52328,
    "c": 0.07129,
    "h": 237.2
  },
  "luminance": 0.14598
}

Semantic roles & 50–950 ramp

primary

#3F708E

secondary

#B18D78

accent

#8659CE

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0D10

muted

#7C7E7F

Preview Lab

Preview with #3F708E

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

Preview Lab → · Contrast checker → · Palette generator →