#3487B4#3487B4

#3487B4 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.105 H 236.3°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3487B4
RGB	rgb(52, 135, 180)
HSL	hsl(201, 55%, 45%)
HSV	hsv(201, 71%, 71%)
CMYK	cmyk(71.1%, 25%, 0%, 29.4%)
CIE-LAB	lab(53.33, -10.05, -30.89)
CIE-LCH	lch(53.33, 32.48, 251.98°)
OKLab	oklab(59.31% -0.0581 -0.0869)
OKLCH	oklch(59.31% 0.105 236.3)
XYZ	xyz(18.3151, 21.3512, 46.3271)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3487B4 #B46134

analogous

#34B4A1 #3487B4 #3447B4

triadic

#3487B4 #B43487 #87B434

tetradic

#3487B4 #A134B4 #B46134 #47B434

square

#3487B4 #A134B4 #B46134 #47B434

split-complementary

#3487B4 #B43447 #B4A134

monochromatic

#194055 #266385 #3487B4 #57A4CE #86BEDC

Accessibility & contrast

On white

3.98

#3487B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3487B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3487B4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3487B4	#FFFFFF	#000000	##000000
##3487B4	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3487b4;
/* rgb */ color: rgb(52, 135, 180);
/* oklch */ color: oklch(59.3% 0.105 236.3);

Tailwind

colors: {
  custom: {
    50: '#7ba9ca',
    500: '#3487b4',
    950: '#000000',
  },
}

SCSS

$custom: #3487b4;
$custom-light: #7ba9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3487b4",
  "rgb": {
    "r": 52,
    "g": 135,
    "b": 180
  },
  "hsl": {
    "h": 201.094,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.59311,
    "c": 0.10456,
    "h": 236.3
  },
  "luminance": 0.21353
}

Semantic roles & 50–950 ramp

primary

#3487B4

secondary

#C6977E

accent

#7E49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3487B4

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

Preview Lab → · Contrast checker → · Palette generator →