#3487DD#3487DD

#3487DD is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.6% C 0.153 H 252.4°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3487DD
RGB	rgb(52, 135, 221)
HSL	hsl(211, 71%, 54%)
HSV	hsv(211, 76%, 87%)
CMYK	cmyk(76.5%, 38.9%, 0%, 13.3%)
CIE-LAB	lab(55.36, 4.58, -50.95)
CIE-LCH	lch(55.36, 51.15, 275.14°)
OKLab	oklab(61.57% -0.0462 -0.1454)
OKLCH	oklch(61.57% 0.153 252.4)
XYZ	xyz(23.1264, 23.2758, 71.6664)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487DD #DD8A34

analogous

#34DBDD #3487DD #3534DD

triadic

#3487DD #DD3487 #87DD34

tetradic

#3487DD #DD34DB #DD8A34 #34DD35

square

#3487DD #DD34DB #DD8A34 #34DD35

split-complementary

#3487DD #DD3534 #DBDD34

monochromatic

#164A81 #1E69B5 #3487DD #68A6E6 #9DC5EF

Accessibility & contrast

On white

3.71

#3487DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#3487DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487DD

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487DD	#FFFFFF	#000000	##000000
##3487DD	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E8DE0

Deuteranopia (green-blind)

#437DDB

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3487dd;
/* rgb */ color: rgb(52, 135, 221);
/* oklch */ color: oklch(61.6% 0.153 252.4);

Tailwind

colors: {
  custom: {
    50: '#83a9e8',
    500: '#3487dd',
    950: '#000000',
  },
}

SCSS

$custom: #3487dd;
$custom-light: #83a9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3487dd",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 221
  },
  "hsl": {
    "h": 210.533,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61567,
    "c": 0.1526,
    "h": 252.4
  },
  "luminance": 0.23278
}

Semantic roles & 50–950 ramp

primary

#3487DD

secondary

#DBB792

accent

#963AEE

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3487DD

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

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