#3487B5#3487B5

#3487B5 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.4% C 0.106 H 236.9°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3487B5
RGB	rgb(52, 135, 181)
HSL	hsl(201, 55%, 46%)
HSV	hsv(201, 71%, 71%)
CMYK	cmyk(71.3%, 25.4%, 0%, 29%)
CIE-LAB	lab(53.38, -9.70, -31.39)
CIE-LCH	lch(53.38, 32.86, 252.83°)
OKLab	oklab(59.36% -0.0577 -0.0884)
OKLCH	oklch(59.36% 0.106 236.9)
XYZ	xyz(18.4174, 21.3921, 46.8656)
Luminance	0.2139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487B5 #B56234

analogous

#34B5A2 #3487B5 #3447B5

triadic

#3487B5 #B53487 #87B534

tetradic

#3487B5 #A234B5 #B56234 #47B534

square

#3487B5 #A234B5 #B56234 #47B534

split-complementary

#3487B5 #B53447 #B5A234

monochromatic

#194056 #266485 #3487B5 #57A4CF #87BEDC

Accessibility & contrast

On white

3.98

#3487B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3487B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487B5

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487B5	#FFFFFF	#000000	##000000
##3487B5	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7186B7

Deuteranopia (green-blind)

#607AB4

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3487b5;
/* rgb */ color: rgb(52, 135, 181);
/* oklch */ color: oklch(59.4% 0.106 236.9);

Tailwind

colors: {
  custom: {
    50: '#7ca9cb',
    500: '#3487b5',
    950: '#000000',
  },
}

SCSS

$custom: #3487b5;
$custom-light: #7ca9cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3487b5",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 181
  },
  "hsl": {
    "h": 201.395,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5936,
    "c": 0.10559,
    "h": 236.9
  },
  "luminance": 0.21394
}

Semantic roles & 50–950 ramp

primary

#3487B5

secondary

#C6987F

accent

#7E49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3487B5

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

Preview Lab → · Contrast checker → · Palette generator →