#3F879E#3F879E

#3F879E is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.7% C 0.080 H 221.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F879E
RGB	rgb(63, 135, 158)
HSL	hsl(195, 43%, 43%)
HSV	hsv(195, 60%, 62%)
CMYK	cmyk(60.1%, 14.6%, 0%, 38%)
CIE-LAB	lab(52.79, -15.43, -19.02)
CIE-LCH	lch(52.79, 24.50, 230.96°)
OKLab	oklab(58.68% -0.0594 -0.0529)
OKLCH	oklch(58.68% 0.08 221.7)
XYZ	xyz(16.8830, 20.8517, 35.4762)
Luminance	0.2085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F879E #9E563F

analogous

#3F9E85 #3F879E #3F589E

triadic

#3F879E #9E3F87 #879E3F

tetradic

#3F879E #853F9E #9E563F #589E3F

square

#3F879E #853F9E #9E563F #589E3F

split-complementary

#3F879E #9E3F58 #9E853F

monochromatic

#1C3C46 #2E6272 #3F879E #5CA6BE #88BED0

Accessibility & contrast

On white

4.06

#3F879E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3F879E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F879E

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F879E	#FFFFFF	#000000	##000000
##3F879E	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79849F

Deuteranopia (green-blind)

#6C7A9E

Tritanopia (blue-blind)

#008E8E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f879e;
/* rgb */ color: rgb(63, 135, 158);
/* oklch */ color: oklch(58.7% 0.080 221.7);

Tailwind

colors: {
  custom: {
    50: '#7daaba',
    500: '#3f879e',
    950: '#000000',
  },
}

SCSS

$custom: #3f879e;
$custom-light: #7daaba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f879e",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 158
  },
  "hsl": {
    "h": 194.526,
    "s": 42.986,
    "l": 43.333
  },
  "oklch": {
    "l": 0.58678,
    "c": 0.07957,
    "h": 221.7
  },
  "luminance": 0.20853
}

Semantic roles & 50–950 ramp

primary

#3F879E

secondary

#BA8D7F

accent

#7355D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #3F879E

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

Preview Lab → · Contrast checker → · Palette generator →