#3487C9#3487C9

#3487C9 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.4% C 0.128 H 246.3°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3487C9
RGB	rgb(52, 135, 201)
HSL	hsl(207, 59%, 50%)
HSV	hsv(207, 74%, 79%)
CMYK	cmyk(74.1%, 32.8%, 0%, 21.2%)
CIE-LAB	lab(54.32, -2.65, -41.32)
CIE-LCH	lch(54.32, 41.40, 266.33°)
OKLab	oklab(60.41% -0.0514 -0.1173)
OKLCH	oklch(60.41% 0.128 246.3)
XYZ	xyz(20.6187, 22.2727, 58.4594)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487C9 #C97634

analogous

#34C9C0 #3487C9 #343DC9

triadic

#3487C9 #C93487 #87C934

tetradic

#3487C9 #C034C9 #C97634 #3DC934

square

#3487C9 #C034C9 #C97634 #3DC934

split-complementary

#3487C9 #C9343D #C9C034

monochromatic

#1B4668 #276698 #3487C9 #63A4D7 #94C0E3

Accessibility & contrast

On white

3.85

#3487C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3487C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487C9

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487C9	#FFFFFF	#000000	##000000
##3487C9	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698ACC

Deuteranopia (green-blind)

#547CC8

Tritanopia (blue-blind)

#00979F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3487c9;
/* rgb */ color: rgb(52, 135, 201);
/* oklch */ color: oklch(60.4% 0.128 246.3);

Tailwind

colors: {
  custom: {
    50: '#7fa9da',
    500: '#3487c9',
    950: '#000000',
  },
}

SCSS

$custom: #3487c9;
$custom-light: #7fa9da;
$custom-dark: #000000;

JSON

{
  "hex": "#3487c9",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 201
  },
  "hsl": {
    "h": 206.577,
    "s": 58.893,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60412,
    "c": 0.12804,
    "h": 246.3
  },
  "luminance": 0.22275
}

Semantic roles & 50–950 ramp

primary

#3487C9

secondary

#CEA98A

accent

#8B46E2

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #3487C9

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

Preview Lab → · Contrast checker → · Palette generator →