#3487B2#3487B2

#3487B2 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.2% C 0.103 H 235.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3487B2
RGB	rgb(52, 135, 178)
HSL	hsl(200, 55%, 45%)
HSV	hsv(200, 71%, 70%)
CMYK	cmyk(70.8%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(53.24, -10.73, -29.88)
CIE-LCH	lch(53.24, 31.75, 250.24°)
OKLab	oklab(59.21% -0.0588 -0.084)
OKLCH	oklch(59.21% 0.103 235)
XYZ	xyz(18.1129, 21.2703, 45.2618)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487B2 #B25F34

analogous

#34B29E #3487B2 #3448B2

triadic

#3487B2 #B23487 #87B234

tetradic

#3487B2 #9E34B2 #B25F34 #48B234

square

#3487B2 #9E34B2 #B25F34 #48B234

split-complementary

#3487B2 #B23448 #B29E34

monochromatic

#183F53 #266383 #3487B2 #56A5CE #85BEDB

Accessibility & contrast

On white

4.00

#3487B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3487B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487B2

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487B2	#FFFFFF	#000000	##000000
##3487B2	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B4

Deuteranopia (green-blind)

#617AB1

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3487b2;
/* rgb */ color: rgb(52, 135, 178);
/* oklch */ color: oklch(59.2% 0.103 235.0);

Tailwind

colors: {
  custom: {
    50: '#7ba9c9',
    500: '#3487b2',
    950: '#000000',
  },
}

SCSS

$custom: #3487b2;
$custom-light: #7ba9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3487b2",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 200.476,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59212,
    "c": 0.10255,
    "h": 235
  },
  "luminance": 0.21272
}

Semantic roles & 50–950 ramp

primary

#3487B2

secondary

#C5957D

accent

#7C4ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3487B2

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

Preview Lab → · Contrast checker → · Palette generator →