#3F88CE#3F88CE

#3F88CE is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.3% C 0.129 H 249.9°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F88CE
RGB	rgb(63, 136, 206)
HSL	hsl(209, 59%, 53%)
HSV	hsv(209, 69%, 81%)
CMYK	cmyk(69.4%, 34%, 0%, 19.2%)
CIE-LAB	lab(55.19, 0.08, -42.74)
CIE-LCH	lch(55.19, 42.74, 270.10°)
OKLab	oklab(61.28% -0.0443 -0.1213)
OKLCH	oklch(61.28% 0.129 249.9)
XYZ	xyz(21.9905, 23.1190, 61.6840)
Luminance	0.2312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F88CE #CE853F

analogous

#3FCECD #3F88CE #3F40CE

triadic

#3F88CE #CE3F88 #88CE3F

tetradic

#3F88CE #CD3FCE #CE853F #40CE3F

square

#3F88CE #CD3FCE #CE853F #40CE3F

split-complementary

#3F88CE #CE3F40 #CECD3F

monochromatic

#1E4A75 #2A69A6 #3F88CE #70A6DA #A1C4E7

Accessibility & contrast

On white

3.73

#3F88CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#3F88CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F88CE

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F88CE	#FFFFFF	#000000	##000000
##3F88CE	1.00	3.73	5.62	5.62
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698CD1

Deuteranopia (green-blind)

#547ECD

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f88ce;
/* rgb */ color: rgb(63, 136, 206);
/* oklch */ color: oklch(61.3% 0.129 249.9);

Tailwind

colors: {
  custom: {
    50: '#84aadd',
    500: '#3f88ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f88ce;
$custom-light: #84aadd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f88ce",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 206
  },
  "hsl": {
    "h": 209.371,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61281,
    "c": 0.12911,
    "h": 249.9
  },
  "luminance": 0.23121
}

Semantic roles & 50–950 ramp

primary

#3F88CE

secondary

#D3B495

accent

#9245E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F88CE

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

Preview Lab → · Contrast checker → · Palette generator →