#3A87CB#3A87CB

#3A87CB is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.7% C 0.128 H 248.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3A87CB
RGB	rgb(58, 135, 203)
HSL	hsl(208, 58%, 51%)
HSV	hsv(208, 71%, 80%)
CMYK	cmyk(71.4%, 33.5%, 0%, 20.4%)
CIE-LAB	lab(54.59, -1.12, -42.00)
CIE-LCH	lch(54.59, 42.02, 268.47°)
OKLab	oklab(60.71% -0.0474 -0.1192)
OKLCH	oklch(60.71% 0.128 248.3)
XYZ	xyz(21.1843, 22.5369, 59.7219)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A87CB #CB7E3A

analogous

#3ACBC6 #3A87CB #3A3ECB

triadic

#3A87CB #CB3A87 #87CB3A

tetradic

#3A87CB #C63ACB #CB7E3A #3ECB3A

square

#3A87CB #C63ACB #CB7E3A #3ECB3A

split-complementary

#3A87CB #CB3A3E #CBC63A

monochromatic

#1D486E #2A689E #3A87CB #6AA4D8 #9BC2E5

Accessibility & contrast

On white

3.81

#3A87CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#3A87CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A87CB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A87CB	#FFFFFF	#000000	##000000
##3A87CB	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ACE

Deuteranopia (green-blind)

#547CCA

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3a87cb;
/* rgb */ color: rgb(58, 135, 203);
/* oklch */ color: oklch(60.7% 0.128 248.3);

Tailwind

colors: {
  custom: {
    50: '#82a9db',
    500: '#3a87cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a87cb;
$custom-light: #82a9db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a87cb",
  "rgb": {
    "r": 58,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 208.138,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.60713,
    "c": 0.12825,
    "h": 248.3
  },
  "luminance": 0.22539
}

Semantic roles & 50–950 ramp

primary

#3A87CB

secondary

#D0AE90

accent

#8F46E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3A87CB

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

Preview Lab → · Contrast checker → · Palette generator →