#3F8DB5#3F8DB5

#3F8DB5 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.2% C 0.097 H 233.9°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DB5
RGB	rgb(63, 141, 181)
HSL	hsl(200, 48%, 48%)
HSV	hsv(200, 65%, 71%)
CMYK	cmyk(65.2%, 22.1%, 0%, 29%)
CIE-LAB	lab(55.52, -11.33, -28.03)
CIE-LCH	lch(55.52, 30.23, 247.99°)
OKLab	oklab(61.16% -0.0573 -0.0786)
OKLCH	oklch(61.16% 0.097 233.9)
XYZ	xyz(19.9120, 23.4406, 47.1822)
Luminance	0.2344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DB5 #B5673F

analogous

#3FB5A2 #3F8DB5 #3F52B5

triadic

#3F8DB5 #B53F8D #8DB53F

tetradic

#3F8DB5 #A23FB5 #B5673F #52B53F

square

#3F8DB5 #A23FB5 #B5673F #52B53F

split-complementary

#3F8DB5 #B53F52 #B5A23F

monochromatic

#1F465A #2F6A88 #3F8DB5 #67A9CA #94C2DA

Accessibility & contrast

On white

3.69

#3F8DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#3F8DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DB5

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DB5	#FFFFFF	#000000	##000000
##3F8DB5	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB7

Deuteranopia (green-blind)

#6980B4

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8db5;
/* rgb */ color: rgb(63, 141, 181);
/* oklch */ color: oklch(61.2% 0.097 233.9);

Tailwind

colors: {
  custom: {
    50: '#80aecb',
    500: '#3f8db5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8db5;
$custom-light: #80aecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8db5",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 181
  },
  "hsl": {
    "h": 200.339,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.61164,
    "c": 0.09726,
    "h": 233.9
  },
  "luminance": 0.23443
}

Semantic roles & 50–950 ramp

primary

#3F8DB5

secondary

#C59E8A

accent

#7E50D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8DB5

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

Preview Lab → · Contrast checker → · Palette generator →