#3F8DAB#3F8DAB

#3F8DAB is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.7% C 0.088 H 226.4°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DAB
RGB	rgb(63, 141, 171)
HSL	hsl(197, 46%, 46%)
HSV	hsv(197, 63%, 67%)
CMYK	cmyk(63.2%, 17.5%, 0%, 32.9%)
CIE-LAB	lab(55.12, -14.59, -22.94)
CIE-LCH	lch(55.12, 27.18, 237.54°)
OKLab	oklab(60.71% -0.061 -0.064)
OKLCH	oklch(60.71% 0.088 226.4)
XYZ	xyz(18.9226, 23.0449, 41.9711)
Luminance	0.2305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DAB #AB5D3F

analogous

#3FAB93 #3F8DAB #3F57AB

triadic

#3F8DAB #AB3F8D #8DAB3F

tetradic

#3F8DAB #933FAB #AB5D3F #57AB3F

square

#3F8DAB #933FAB #AB5D3F #57AB3F

split-complementary

#3F8DAB #AB3F57 #AB933F

monochromatic

#1E4352 #2F687E #3F8DAB #62AAC5 #8FC2D6

Accessibility & contrast

On white

3.74

#3F8DAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#3F8DAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DAB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DAB	#FFFFFF	#000000	##000000
##3F8DAB	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAD

Deuteranopia (green-blind)

#6E7FAB

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f8dab;
/* rgb */ color: rgb(63, 141, 171);
/* oklch */ color: oklch(60.7% 0.088 226.4);

Tailwind

colors: {
  custom: {
    50: '#7faec4',
    500: '#3f8dab',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dab;
$custom-light: #7faec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dab",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 171
  },
  "hsl": {
    "h": 196.667,
    "s": 46.154,
    "l": 45.882
  },
  "oklch": {
    "l": 0.60708,
    "c": 0.08843,
    "h": 226.4
  },
  "luminance": 0.23047
}

Semantic roles & 50–950 ramp

primary

#3F8DAB

secondary

#C19685

accent

#7752D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8DAB

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

Preview Lab → · Contrast checker → · Palette generator →