#3F8DBF#3F8DBF

#3F8DBF is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.6% C 0.108 H 239.9°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DBF
RGB	rgb(63, 141, 191)
HSL	hsl(203, 50%, 50%)
HSV	hsv(203, 67%, 75%)
CMYK	cmyk(67%, 26.2%, 0%, 25.1%)
CIE-LAB	lab(55.95, -7.99, -33.05)
CIE-LCH	lch(55.95, 34.00, 256.41°)
OKLab	oklab(61.65% -0.0539 -0.093)
OKLCH	oklch(61.65% 0.108 239.9)
XYZ	xyz(20.9751, 23.8659, 52.7813)
Luminance	0.2387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DBF #BF713F

analogous

#3FBFB1 #3F8DBF #3F4DBF

triadic

#3F8DBF #BF3F8D #8DBF3F

tetradic

#3F8DBF #B13FBF #BF713F #4DBF3F

square

#3F8DBF #B13FBF #BF713F #4DBF3F

split-complementary

#3F8DBF #BF3F4D #BFB13F

monochromatic

#214963 #306B91 #3F8DBF #6DA8CF #9BC4DE

Accessibility & contrast

On white

3.64

#3F8DBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#3F8DBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DBF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DBF	#FFFFFF	#000000	##000000
##3F8DBF	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768DC1

Deuteranopia (green-blind)

#6481BE

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8dbf;
/* rgb */ color: rgb(63, 141, 191);
/* oklch */ color: oklch(61.6% 0.108 239.9);

Tailwind

colors: {
  custom: {
    50: '#82aed2',
    500: '#3f8dbf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dbf;
$custom-light: #82aed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dbf",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 191
  },
  "hsl": {
    "h": 203.438,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.61647,
    "c": 0.10752,
    "h": 239.9
  },
  "luminance": 0.23868
}

Semantic roles & 50–950 ramp

primary

#3F8DBF

secondary

#CAA790

accent

#854EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8DBF

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

Preview Lab → · Contrast checker → · Palette generator →