#3487B8#3487B8

#3487B8 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.5% C 0.109 H 238.6°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3487B8
RGB	rgb(52, 135, 184)
HSL	hsl(202, 56%, 46%)
HSV	hsv(202, 72%, 72%)
CMYK	cmyk(71.7%, 26.6%, 0%, 27.8%)
CIE-LAB	lab(53.51, -8.66, -32.90)
CIE-LCH	lch(53.51, 34.02, 255.25°)
OKLab	oklab(59.51% -0.0567 -0.0928)
OKLCH	oklch(59.51% 0.109 238.6)
XYZ	xyz(18.7285, 21.5166, 48.5042)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487B8 #B86534

analogous

#34B8A7 #3487B8 #3445B8

triadic

#3487B8 #B83487 #87B834

tetradic

#3487B8 #A734B8 #B86534 #45B834

square

#3487B8 #A734B8 #B86534 #45B834

split-complementary

#3487B8 #B83445 #B8A734

monochromatic

#194159 #276488 #3487B8 #59A4D0 #89BEDE

Accessibility & contrast

On white

3.96

#3487B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3487B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487B8

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487B8	#FFFFFF	#000000	##000000
##3487B8	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7087BA

Deuteranopia (green-blind)

#5E7AB7

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3487b8;
/* rgb */ color: rgb(52, 135, 184);
/* oklch */ color: oklch(59.5% 0.109 238.6);

Tailwind

colors: {
  custom: {
    50: '#7ca9cd',
    500: '#3487b8',
    950: '#000000',
  },
}

SCSS

$custom: #3487b8;
$custom-light: #7ca9cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3487b8",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 184
  },
  "hsl": {
    "h": 202.273,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.59511,
    "c": 0.10874,
    "h": 238.6
  },
  "luminance": 0.21519
}

Semantic roles & 50–950 ramp

primary

#3487B8

secondary

#C89B80

accent

#8049DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3487B8

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

Preview Lab → · Contrast checker → · Palette generator →