#3487B0#3487B0

#3487B0 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.101 H 233.7°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3487B0
RGB	rgb(52, 135, 176)
HSL	hsl(200, 54%, 45%)
HSV	hsv(200, 70%, 69%)
CMYK	cmyk(70.5%, 23.3%, 0%, 31%)
CIE-LAB	lab(53.16, -11.42, -28.86)
CIE-LCH	lch(53.16, 31.04, 248.41°)
OKLab	oklab(59.11% -0.0595 -0.0811)
OKLCH	oklch(59.11% 0.101 233.7)
XYZ	xyz(17.9135, 21.1906, 44.2120)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487B0 #B05D34

analogous

#34B09B #3487B0 #3449B0

triadic

#3487B0 #B03487 #87B034

tetradic

#3487B0 #9B34B0 #B05D34 #49B034

square

#3487B0 #9B34B0 #B05D34 #49B034

split-complementary

#3487B0 #B03449 #B09B34

monochromatic

#183F52 #266381 #3487B0 #55A5CD #84BEDB

Accessibility & contrast

On white

4.01

#3487B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3487B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487B0

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487B0	#FFFFFF	#000000	##000000
##3487B0	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7386B2

Deuteranopia (green-blind)

#627AAF

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3487b0;
/* rgb */ color: rgb(52, 135, 176);
/* oklch */ color: oklch(59.1% 0.101 233.7);

Tailwind

colors: {
  custom: {
    50: '#7baac7',
    500: '#3487b0',
    950: '#000000',
  },
}

SCSS

$custom: #3487b0;
$custom-light: #7baac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3487b0",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 176
  },
  "hsl": {
    "h": 199.839,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59115,
    "c": 0.10059,
    "h": 233.7
  },
  "luminance": 0.21193
}

Semantic roles & 50–950 ramp

primary

#3487B0

secondary

#C4947C

accent

#7B4ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3487B0

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

Preview Lab → · Contrast checker → · Palette generator →