#3F89CE#3F89CE

#3F89CE is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.128 H 249.3°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F89CE
RGB	rgb(63, 137, 206)
HSL	hsl(209, 59%, 53%)
HSV	hsv(209, 69%, 81%)
CMYK	cmyk(69.4%, 33.5%, 0%, 19.2%)
CIE-LAB	lab(55.48, -0.51, -42.28)
CIE-LCH	lch(55.48, 42.29, 269.31°)
OKLab	oklab(61.51% -0.0453 -0.1199)
OKLCH	oklch(61.51% 0.128 249.3)
XYZ	xyz(22.1320, 23.4019, 61.7312)
Luminance	0.2340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89CE #CE843F

analogous

#3FCECB #3F89CE #3F41CE

triadic

#3F89CE #CE3F89 #89CE3F

tetradic

#3F89CE #CB3FCE #CE843F #41CE3F

square

#3F89CE #CB3FCE #CE843F #41CE3F

split-complementary

#3F89CE #CE3F41 #CECB3F

monochromatic

#1E4B75 #2A6AA6 #3F89CE #70A7DA #A1C5E7

Accessibility & contrast

On white

3.70

#3F89CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#3F89CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89CE

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89CE	#FFFFFF	#000000	##000000
##3F89CE	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8CD1

Deuteranopia (green-blind)

#567FCD

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f89ce;
/* rgb */ color: rgb(63, 137, 206);
/* oklch */ color: oklch(61.5% 0.128 249.3);

Tailwind

colors: {
  custom: {
    50: '#84abdd',
    500: '#3f89ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f89ce;
$custom-light: #84abdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89ce",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 206
  },
  "hsl": {
    "h": 208.951,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61508,
    "c": 0.12819,
    "h": 249.3
  },
  "luminance": 0.23404
}

Semantic roles & 50–950 ramp

primary

#3F89CE

secondary

#D3B395

accent

#9145E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F89CE

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

Preview Lab → · Contrast checker → · Palette generator →