#3F8DD5#3F8DD5

#3F8DD5 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.8% C 0.133 H 249.2°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DD5
RGB	rgb(63, 141, 213)
HSL	hsl(209, 64%, 54%)
HSV	hsv(209, 70%, 84%)
CMYK	cmyk(70.4%, 33.8%, 0%, 16.5%)
CIE-LAB	lab(56.99, -0.42, -43.85)
CIE-LCH	lch(56.99, 43.85, 269.46°)
OKLab	oklab(62.8% -0.0472 -0.1244)
OKLCH	oklch(62.8% 0.133 249.2)
XYZ	xyz(23.5805, 24.9080, 66.5029)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DD5 #D5873F

analogous

#3FD5D2 #3F8DD5 #3F42D5

triadic

#3F8DD5 #D53F8D #8DD53F

tetradic

#3F8DD5 #D23FD5 #D5873F #42D53F

square

#3F8DD5 #D23FD5 #D5873F #42D53F

split-complementary

#3F8DD5 #D53F42 #D5D23F

monochromatic

#1C4F7E #276EB0 #3F8DD5 #71ABE0 #A3C9EB

Accessibility & contrast

On white

3.51

#3F8DD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#3F8DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DD5

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DD5	#FFFFFF	#000000	##000000
##3F8DD5	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D91D8

Deuteranopia (green-blind)

#5782D4

Tritanopia (blue-blind)

#009EA7

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3f8dd5;
/* rgb */ color: rgb(63, 141, 213);
/* oklch */ color: oklch(62.8% 0.133 249.2);

Tailwind

colors: {
  custom: {
    50: '#85aee2',
    500: '#3f8dd5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dd5;
$custom-light: #85aee2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dd5",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 213
  },
  "hsl": {
    "h": 208.8,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62801,
    "c": 0.13311,
    "h": 249.2
  },
  "luminance": 0.24911
}

Semantic roles & 50–950 ramp

primary

#3F8DD5

secondary

#D8B798

accent

#9141E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8DD5

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

Preview Lab → · Contrast checker → · Palette generator →