#3A87B9#3A87B9

#3A87B9 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.8% C 0.107 H 240.5°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3A87B9
RGB	rgb(58, 135, 185)
HSL	hsl(204, 52%, 48%)
HSV	hsv(204, 69%, 73%)
CMYK	cmyk(68.6%, 27%, 0%, 27.5%)
CIE-LAB	lab(53.74, -7.41, -33.10)
CIE-LCH	lch(53.74, 33.92, 257.39°)
OKLab	oklab(59.76% -0.0528 -0.0933)
OKLCH	oklch(59.76% 0.107 240.5)
XYZ	xyz(19.1625, 21.7282, 49.0736)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A87B9 #B96C3A

analogous

#3AB9AB #3A87B9 #3A48B9

triadic

#3A87B9 #B93A87 #87B93A

tetradic

#3A87B9 #AB3AB9 #B96C3A #48B93A

square

#3A87B9 #AB3AB9 #B96C3A #48B93A

split-complementary

#3A87B9 #B93A48 #B9AB3A

monochromatic

#1D435C #2B658A #3A87B9 #62A4CE #91BFDC

Accessibility & contrast

On white

3.93

#3A87B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3A87B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A87B9

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A87B9	#FFFFFF	#000000	##000000
##3A87B9	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7087BB

Deuteranopia (green-blind)

#5F7BB8

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3a87b9;
/* rgb */ color: rgb(58, 135, 185);
/* oklch */ color: oklch(59.8% 0.107 240.5);

Tailwind

colors: {
  custom: {
    50: '#7fa9ce',
    500: '#3a87b9',
    950: '#000000',
  },
}

SCSS

$custom: #3a87b9;
$custom-light: #7fa9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3a87b9",
  "rgb": {
    "r": 58,
    "g": 135,
    "b": 185
  },
  "hsl": {
    "h": 203.622,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59758,
    "c": 0.10722,
    "h": 240.5
  },
  "luminance": 0.2173
}

Semantic roles & 50–950 ramp

primary

#3A87B9

secondary

#C7A187

accent

#854CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3A87B9

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

Preview Lab → · Contrast checker → · Palette generator →