#3F88CF#3F88CF

#3F88CF is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.3% C 0.130 H 250.2°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F88CF
RGB	rgb(63, 136, 207)
HSL	hsl(210, 60%, 53%)
HSV	hsv(210, 70%, 81%)
CMYK	cmyk(69.6%, 34.3%, 0%, 18.8%)
CIE-LAB	lab(55.24, 0.43, -43.22)
CIE-LCH	lch(55.24, 43.23, 270.57°)
OKLab	oklab(61.34% -0.044 -0.1227)
OKLCH	oklch(61.34% 0.13 250.2)
XYZ	xyz(22.1123, 23.1677, 62.3258)
Luminance	0.2317 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F88CF #CF863F

analogous

#3FCFCE #3F88CF #3F40CF

triadic

#3F88CF #CF3F88 #88CF3F

tetradic

#3F88CF #CE3FCF #CF863F #40CF3F

square

#3F88CF #CE3FCF #CF863F #40CF3F

split-complementary

#3F88CF #CF3F40 #CFCE3F

monochromatic

#1E4A76 #2A69A7 #3F88CF #70A6DB #A1C5E7

Accessibility & contrast

On white

3.73

#3F88CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#3F88CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F88CF

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F88CF	#FFFFFF	#000000	##000000
##3F88CF	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688CD2

Deuteranopia (green-blind)

#547ECE

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f88cf;
/* rgb */ color: rgb(63, 136, 207);
/* oklch */ color: oklch(61.3% 0.130 250.2);

Tailwind

colors: {
  custom: {
    50: '#84aade',
    500: '#3f88cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f88cf;
$custom-light: #84aade;
$custom-dark: #000000;

JSON

{
  "hex": "#3f88cf",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 207
  },
  "hsl": {
    "h": 209.583,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61336,
    "c": 0.13035,
    "h": 250.2
  },
  "luminance": 0.2317
}

Semantic roles & 50–950 ramp

primary

#3F88CF

secondary

#D4B496

accent

#9345E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F88CF

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

Preview Lab → · Contrast checker → · Palette generator →