#3F88D2#3F88D2

#3F88D2 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.5% C 0.134 H 251.2°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F88D2
RGB	rgb(63, 136, 210)
HSL	hsl(210, 62%, 54%)
HSV	hsv(210, 70%, 82%)
CMYK	cmyk(70%, 35.2%, 0%, 17.6%)
CIE-LAB	lab(55.40, 1.48, -44.68)
CIE-LCH	lch(55.40, 44.70, 271.90°)
OKLab	oklab(61.51% -0.0432 -0.1269)
OKLCH	oklch(61.51% 0.134 251.2)
XYZ	xyz(22.4826, 23.3158, 64.2758)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F88D2 #D2893F

analogous

#3FD1D2 #3F88D2 #3F3FD2

triadic

#3F88D2 #D23F88 #88D23F

tetradic

#3F88D2 #D23FD1 #D2893F #3FD23F

square

#3F88D2 #D23FD1 #D2893F #3FD23F

split-complementary

#3F88D2 #D23F3F #D1D23F

monochromatic

#1D4B7A #2869AC #3F88D2 #71A7DE #A2C5E9

Accessibility & contrast

On white

3.71

#3F88D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#3F88D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F88D2

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F88D2	#FFFFFF	#000000	##000000
##3F88D2	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678CD5

Deuteranopia (green-blind)

#517ED1

Tritanopia (blue-blind)

#0099A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f88d2;
/* rgb */ color: rgb(63, 136, 210);
/* oklch */ color: oklch(61.5% 0.134 251.2);

Tailwind

colors: {
  custom: {
    50: '#85aae0',
    500: '#3f88d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f88d2;
$custom-light: #85aae0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f88d2",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 210
  },
  "hsl": {
    "h": 210.204,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61505,
    "c": 0.1341,
    "h": 251.2
  },
  "luminance": 0.23318
}

Semantic roles & 50–950 ramp

primary

#3F88D2

secondary

#D6B797

accent

#9443E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F88D2

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

Preview Lab → · Contrast checker → · Palette generator →