#3F87A8#3F87A8

#3F87A8 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.088 H 230.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F87A8
RGB	rgb(63, 135, 168)
HSL	hsl(199, 45%, 45%)
HSV	hsv(199, 63%, 66%)
CMYK	cmyk(62.5%, 19.6%, 0%, 34.1%)
CIE-LAB	lab(53.18, -12.23, -24.20)
CIE-LCH	lch(53.18, 27.11, 243.18°)
OKLab	oklab(59.12% -0.0556 -0.0676)
OKLCH	oklch(59.12% 0.088 230.6)
XYZ	xyz(17.7790, 21.2101, 40.1952)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87A8 #A8603F

analogous

#3FA894 #3F87A8 #3F52A8

triadic

#3F87A8 #A83F87 #87A83F

tetradic

#3F87A8 #943FA8 #A8603F #52A83F

square

#3F87A8 #943FA8 #A8603F #52A83F

split-complementary

#3F87A8 #A83F52 #A8943F

monochromatic

#1E3F4F #2E637B #3F87A8 #61A4C4 #8DBED4

Accessibility & contrast

On white

4.01

#3F87A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3F87A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87A8

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87A8	#FFFFFF	#000000	##000000
##3F87A8	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7685AA

Deuteranopia (green-blind)

#687AA8

Tritanopia (blue-blind)

#009092

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f87a8;
/* rgb */ color: rgb(63, 135, 168);
/* oklch */ color: oklch(59.1% 0.088 230.6);

Tailwind

colors: {
  custom: {
    50: '#7eaac2',
    500: '#3f87a8',
    950: '#000000',
  },
}

SCSS

$custom: #3f87a8;
$custom-light: #7eaac2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87a8",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 168
  },
  "hsl": {
    "h": 198.857,
    "s": 45.455,
    "l": 45.294
  },
  "oklch": {
    "l": 0.59121,
    "c": 0.08752,
    "h": 230.6
  },
  "luminance": 0.21212
}

Semantic roles & 50–950 ramp

primary

#3F87A8

secondary

#BF9684

accent

#7C53D5

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F87A8

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

Preview Lab → · Contrast checker → · Palette generator →