#3F89CD#3F89CD

#3F89CD is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.127 H 249.0°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F89CD
RGB	rgb(63, 137, 205)
HSL	hsl(209, 59%, 53%)
HSV	hsv(209, 69%, 80%)
CMYK	cmyk(69.3%, 33.2%, 0%, 19.6%)
CIE-LAB	lab(55.43, -0.86, -41.80)
CIE-LCH	lch(55.43, 41.80, 268.82°)
OKLab	oklab(61.45% -0.0456 -0.1185)
OKLCH	oklch(61.45% 0.127 249)
XYZ	xyz(22.0109, 23.3535, 61.0934)
Luminance	0.2336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89CD #CD833F

analogous

#3FCDCA #3F89CD #3F42CD

triadic

#3F89CD #CD3F89 #89CD3F

tetradic

#3F89CD #CA3FCD #CD833F #42CD3F

square

#3F89CD #CA3FCD #CD833F #42CD3F

split-complementary

#3F89CD #CD3F42 #CDCA3F

monochromatic

#1E4B74 #2B6AA4 #3F89CD #70A7DA #A0C5E6

Accessibility & contrast

On white

3.70

#3F89CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#3F89CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89CD

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89CD	#FFFFFF	#000000	##000000
##3F89CD	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8CD0

Deuteranopia (green-blind)

#577FCC

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f89cd;
/* rgb */ color: rgb(63, 137, 205);
/* oklch */ color: oklch(61.5% 0.127 249.0);

Tailwind

colors: {
  custom: {
    50: '#84abdc',
    500: '#3f89cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f89cd;
$custom-light: #84abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89cd",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 205
  },
  "hsl": {
    "h": 208.732,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61453,
    "c": 0.12696,
    "h": 249
  },
  "luminance": 0.23356
}

Semantic roles & 50–950 ramp

primary

#3F89CD

secondary

#D3B395

accent

#9146E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3F89CD

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

Preview Lab → · Contrast checker → · Palette generator →