#3F88D6#3F88D6

#3F88D6 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.7% C 0.139 H 252.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F88D6
RGB	rgb(63, 136, 214)
HSL	hsl(211, 65%, 54%)
HSV	hsv(211, 71%, 84%)
CMYK	cmyk(70.6%, 36.4%, 0%, 16.1%)
CIE-LAB	lab(55.60, 2.89, -46.60)
CIE-LCH	lch(55.60, 46.69, 273.55°)
OKLab	oklab(61.73% -0.0422 -0.1326)
OKLCH	oklch(61.73% 0.139 252.3)
XYZ	xyz(22.9871, 23.5176, 66.9332)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F88D6 #D68D3F

analogous

#3FD4D6 #3F88D6 #423FD6

triadic

#3F88D6 #D63F88 #88D63F

tetradic

#3F88D6 #D63FD4 #D68D3F #3FD642

square

#3F88D6 #D63FD4 #D68D3F #3FD642

split-complementary

#3F88D6 #D6423F #D4D63F

monochromatic

#1B4C7F #266AB2 #3F88D6 #71A7E1 #A4C7EC

Accessibility & contrast

On white

3.68

#3F88D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#3F88D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F88D6

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F88D6	#FFFFFF	#000000	##000000
##3F88D6	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658DD9

Deuteranopia (green-blind)

#4E7FD4

Tritanopia (blue-blind)

#009AA5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f88d6;
/* rgb */ color: rgb(63, 136, 214);
/* oklch */ color: oklch(61.7% 0.139 252.3);

Tailwind

colors: {
  custom: {
    50: '#85aae3',
    500: '#3f88d6',
    950: '#000000',
  },
}

SCSS

$custom: #3f88d6;
$custom-light: #85aae3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f88d6",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 214
  },
  "hsl": {
    "h": 210.993,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.61732,
    "c": 0.13912,
    "h": 252.3
  },
  "luminance": 0.2352
}

Semantic roles & 50–950 ramp

primary

#3F88D6

secondary

#D8B998

accent

#9740E8

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F88D6

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

Preview Lab → · Contrast checker → · Palette generator →