#3A87BB#3A87BB

#3A87BB is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.109 H 241.5°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3A87BB
RGB	rgb(58, 135, 187)
HSL	hsl(204, 53%, 48%)
HSV	hsv(204, 69%, 73%)
CMYK	cmyk(69%, 27.8%, 0%, 26.7%)
CIE-LAB	lab(53.83, -6.72, -34.11)
CIE-LCH	lch(53.83, 34.76, 258.85°)
OKLab	oklab(59.86% -0.0522 -0.0962)
OKLCH	oklch(59.86% 0.109 241.5)
XYZ	xyz(19.3751, 21.8133, 50.1933)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A87BB #BB6E3A

analogous

#3ABBAE #3A87BB #3A46BB

triadic

#3A87BB #BB3A87 #87BB3A

tetradic

#3A87BB #AE3ABB #BB6E3A #46BB3A

square

#3A87BB #AE3ABB #BB6E3A #46BB3A

split-complementary

#3A87BB #BB3A46 #BBAE3A

monochromatic

#1D445E #2C658C #3A87BB #63A3CF #92BFDD

Accessibility & contrast

On white

3.92

#3A87BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#3A87BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A87BB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A87BB	#FFFFFF	#000000	##000000
##3A87BB	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F88BD

Deuteranopia (green-blind)

#5E7BBA

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3a87bb;
/* rgb */ color: rgb(58, 135, 187);
/* oklch */ color: oklch(59.9% 0.109 241.5);

Tailwind

colors: {
  custom: {
    50: '#7fa9cf',
    500: '#3a87bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a87bb;
$custom-light: #7fa9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a87bb",
  "rgb": {
    "r": 58,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 204.186,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.59859,
    "c": 0.10944,
    "h": 241.5
  },
  "luminance": 0.21815
}

Semantic roles & 50–950 ramp

primary

#3A87BB

secondary

#C8A288

accent

#864CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3A87BB

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

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