#3487BD#3487BD

#3487BD is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.8% C 0.114 H 241.2°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3487BD
RGB	rgb(52, 135, 189)
HSL	hsl(204, 57%, 47%)
HSV	hsv(204, 72%, 74%)
CMYK	cmyk(72.5%, 28.6%, 0%, 25.9%)
CIE-LAB	lab(53.74, -6.91, -35.40)
CIE-LCH	lch(53.74, 36.07, 258.95°)
OKLab	oklab(59.77% -0.0551 -0.1)
OKLCH	oklch(59.77% 0.114 241.2)
XYZ	xyz(19.2619, 21.7300, 51.3134)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487BD #BD6A34

analogous

#34BDAF #3487BD #3442BD

triadic

#3487BD #BD3487 #87BD34

tetradic

#3487BD #AF34BD #BD6A34 #42BD34

square

#3487BD #AF34BD #BD6A34 #42BD34

split-complementary

#3487BD #BD3442 #BDAF34

monochromatic

#1A425D #27658D #3487BD #5CA4D2 #8CBFDF

Accessibility & contrast

On white

3.93

#3487BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3487BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487BD

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487BD	#FFFFFF	#000000	##000000
##3487BD	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E88BF

Deuteranopia (green-blind)

#5B7BBC

Tritanopia (blue-blind)

#00949A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3487bd;
/* rgb */ color: rgb(52, 135, 189);
/* oklch */ color: oklch(59.8% 0.114 241.2);

Tailwind

colors: {
  custom: {
    50: '#7da9d1',
    500: '#3487bd',
    950: '#000000',
  },
}

SCSS

$custom: #3487bd;
$custom-light: #7da9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3487bd",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 189
  },
  "hsl": {
    "h": 203.65,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59768,
    "c": 0.11418,
    "h": 241.2
  },
  "luminance": 0.21732
}

Semantic roles & 50–950 ramp

primary

#3487BD

secondary

#CA9F83

accent

#8448E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3487BD

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

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