#3F87AF#3F87AF

#3F87AF is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.4% C 0.094 H 235.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F87AF
RGB	rgb(63, 135, 175)
HSL	hsl(201, 47%, 47%)
HSV	hsv(201, 64%, 69%)
CMYK	cmyk(64%, 22.9%, 0%, 31.4%)
CIE-LAB	lab(53.47, -9.94, -27.78)
CIE-LCH	lch(53.47, 29.50, 250.32°)
OKLab	oklab(59.45% -0.053 -0.0779)
OKLCH	oklch(59.45% 0.094 235.8)
XYZ	xyz(18.4488, 21.4780, 43.7225)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87AF #AF673F

analogous

#3FAF9F #3F87AF #3F4FAF

triadic

#3F87AF #AF3F87 #87AF3F

tetradic

#3F87AF #9F3FAF #AF673F #4FAF3F

square

#3F87AF #9F3FAF #AF673F #4FAF3F

split-complementary

#3F87AF #AF3F4F #AF9F3F

monochromatic

#1F4255 #2F6482 #3F87AF #64A4C7 #91BED7

Accessibility & contrast

On white

3.97

#3F87AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3F87AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87AF

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87AF	#FFFFFF	#000000	##000000
##3F87AF	1.00	3.97	5.30	5.30
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7486B1

Deuteranopia (green-blind)

#657BAE

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f87af;
/* rgb */ color: rgb(63, 135, 175);
/* oklch */ color: oklch(59.4% 0.094 235.8);

Tailwind

colors: {
  custom: {
    50: '#7fa9c7',
    500: '#3f87af',
    950: '#000000',
  },
}

SCSS

$custom: #3f87af;
$custom-light: #7fa9c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87af",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 175
  },
  "hsl": {
    "h": 201.429,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.59447,
    "c": 0.09421,
    "h": 235.8
  },
  "luminance": 0.2148
}

Semantic roles & 50–950 ramp

primary

#3F87AF

secondary

#C39C87

accent

#8151D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F87AF

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

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