#3487B3#3487B3

#3487B3 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.3% C 0.104 H 235.6°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3487B3
RGB	rgb(52, 135, 179)
HSL	hsl(201, 55%, 45%)
HSV	hsv(201, 71%, 70%)
CMYK	cmyk(70.9%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(53.29, -10.39, -30.38)
CIE-LCH	lch(53.29, 32.11, 251.12°)
OKLab	oklab(59.26% -0.0584 -0.0855)
OKLCH	oklch(59.26% 0.104 235.6)
XYZ	xyz(18.2136, 21.3106, 45.7925)
Luminance	0.2131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487B3 #B36034

analogous

#34B39F #3487B3 #3448B3

triadic

#3487B3 #B33487 #87B334

tetradic

#3487B3 #9F34B3 #B36034 #48B334

square

#3487B3 #9F34B3 #B36034 #48B334

split-complementary

#3487B3 #B33448 #B39F34

monochromatic

#183F54 #266384 #3487B3 #56A4CE #86BEDC

Accessibility & contrast

On white

3.99

#3487B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3487B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487B3

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487B3	#FFFFFF	#000000	##000000
##3487B3	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B5

Deuteranopia (green-blind)

#617AB2

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3487b3;
/* rgb */ color: rgb(52, 135, 179);
/* oklch */ color: oklch(59.3% 0.104 235.6);

Tailwind

colors: {
  custom: {
    50: '#7ba9ca',
    500: '#3487b3',
    950: '#000000',
  },
}

SCSS

$custom: #3487b3;
$custom-light: #7ba9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3487b3",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 200.787,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.59261,
    "c": 0.10355,
    "h": 235.6
  },
  "luminance": 0.21313
}

Semantic roles & 50–950 ramp

primary

#3487B3

secondary

#C5967D

accent

#7D49DE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3487B3

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

Preview Lab → · Contrast checker → · Palette generator →