#3F89DD#3F89DD

#3F89DD is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.4% C 0.147 H 253.6°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F89DD
RGB	rgb(63, 137, 221)
HSL	hsl(212, 70%, 56%)
HSV	hsv(212, 71%, 87%)
CMYK	cmyk(71.5%, 38%, 0%, 13.3%)
CIE-LAB	lab(56.25, 4.78, -49.50)
CIE-LCH	lch(56.25, 49.73, 275.51°)
OKLab	oklab(62.36% -0.0414 -0.141)
OKLCH	oklch(62.36% 0.147 253.6)
XYZ	xyz(24.0419, 24.1659, 71.7900)
Luminance	0.2417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89DD #DD933F

analogous

#3FD8DD #3F89DD #443FDD

triadic

#3F89DD #DD3F89 #89DD3F

tetradic

#3F89DD #DD3FD8 #DD933F #3FDD44

square

#3F89DD #DD3FD8 #DD933F #3FDD44

split-complementary

#3F89DD #DD443F #D8DD3F

monochromatic

#184D89 #226ABD #3F89DD #73A9E6 #A7C9EF

Accessibility & contrast

On white

3.60

#3F89DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#3F89DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89DD

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89DD	#FFFFFF	#000000	##000000
##3F89DD	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628FE0

Deuteranopia (green-blind)

#4A80DB

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f89dd;
/* rgb */ color: rgb(63, 137, 221);
/* oklch */ color: oklch(62.4% 0.147 253.6);

Tailwind

colors: {
  custom: {
    50: '#87aae8',
    500: '#3f89dd',
    950: '#000000',
  },
}

SCSS

$custom: #3f89dd;
$custom-light: #87aae8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89dd",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 211.899,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.62362,
    "c": 0.14699,
    "h": 253.6
  },
  "luminance": 0.24169
}

Semantic roles & 50–950 ramp

primary

#3F89DD

secondary

#DDBE9B

accent

#9A3BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #3F89DD

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

Preview Lab → · Contrast checker → · Palette generator →