#3F8AD5#3F8AD5

#3F8AD5 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.1% C 0.136 H 250.9°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F8AD5
RGB	rgb(63, 138, 213)
HSL	hsl(210, 64%, 54%)
HSV	hsv(210, 70%, 84%)
CMYK	cmyk(70.4%, 35.2%, 0%, 16.5%)
CIE-LAB	lab(56.12, 1.35, -45.22)
CIE-LCH	lch(56.12, 45.24, 271.71°)
OKLab	oklab(62.12% -0.0444 -0.1285)
OKLCH	oklch(62.12% 0.136 250.9)
XYZ	xyz(23.1441, 24.0353, 66.3574)
Luminance	0.2404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8AD5 #D58A3F

analogous

#3FD5D5 #3F8AD5 #3F3FD5

triadic

#3F8AD5 #D53F8A #8AD53F

tetradic

#3F8AD5 #D53FD5 #D58A3F #3FD53F

square

#3F8AD5 #D53FD5 #D58A3F #3FD53F

split-complementary

#3F8AD5 #D53F3F #D5D53F

monochromatic

#1C4D7E #276BB0 #3F8AD5 #71A9E0 #A3C7EB

Accessibility & contrast

On white

3.62

#3F8AD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3F8AD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AD5

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8AD5	#FFFFFF	#000000	##000000
##3F8AD5	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ED8

Deuteranopia (green-blind)

#5280D4

Tritanopia (blue-blind)

#009CA5

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f8ad5;
/* rgb */ color: rgb(63, 138, 213);
/* oklch */ color: oklch(62.1% 0.136 250.9);

Tailwind

colors: {
  custom: {
    50: '#85abe2',
    500: '#3f8ad5',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ad5;
$custom-light: #85abe2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ad5",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 213
  },
  "hsl": {
    "h": 210,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.62124,
    "c": 0.13593,
    "h": 250.9
  },
  "luminance": 0.24038
}

Semantic roles & 50–950 ramp

primary

#3F8AD5

secondary

#D8B898

accent

#9441E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F8AD5

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

Preview Lab → · Contrast checker → · Palette generator →