#3F89BD#3F89BD

#3F89BD is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.108 H 242.2°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F89BD
RGB	rgb(63, 137, 189)
HSL	hsl(205, 50%, 49%)
HSV	hsv(205, 67%, 74%)
CMYK	cmyk(66.7%, 27.5%, 0%, 25.9%)
CIE-LAB	lab(54.68, -6.38, -33.90)
CIE-LCH	lch(54.68, 34.50, 259.35°)
OKLab	oklab(60.61% -0.0504 -0.0955)
OKLCH	oklch(60.61% 0.108 242.2)
XYZ	xyz(20.1774, 22.6201, 51.4370)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89BD #BD733F

analogous

#3FBDB2 #3F89BD #3F4ABD

triadic

#3F89BD #BD3F89 #89BD3F

tetradic

#3F89BD #B23FBD #BD733F #4ABD3F

square

#3F89BD #B23FBD #BD733F #4ABD3F

split-complementary

#3F89BD #BD3F4A #BDB23F

monochromatic

#204661 #30688F #3F89BD #6BA5CE #99C1DD

Accessibility & contrast

On white

3.80

#3F89BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#3F89BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89BD

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89BD	#FFFFFF	#000000	##000000
##3F89BD	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718ABF

Deuteranopia (green-blind)

#607DBC

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f89bd;
/* rgb */ color: rgb(63, 137, 189);
/* oklch */ color: oklch(60.6% 0.108 242.2);

Tailwind

colors: {
  custom: {
    50: '#81abd1',
    500: '#3f89bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f89bd;
$custom-light: #81abd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89bd",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 189
  },
  "hsl": {
    "h": 204.762,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60609,
    "c": 0.10802,
    "h": 242.2
  },
  "luminance": 0.22622
}

Semantic roles & 50–950 ramp

primary

#3F89BD

secondary

#C9A78F

accent

#884EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F89BD

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

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