#3187B2#3187B2

#3187B2 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.104 H 234.4°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3187B2
RGB	rgb(49, 135, 178)
HSL	hsl(200, 57%, 45%)
HSV	hsv(200, 72%, 70%)
CMYK	cmyk(72.5%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(53.16, -11.17, -30.01)
CIE-LCH	lch(53.16, 32.02, 249.59°)
OKLab	oklab(59.12% -0.0604 -0.0844)
OKLCH	oklch(59.12% 0.104 234.4)
XYZ	xyz(17.9633, 21.1932, 45.2548)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187B2 #B25C31

analogous

#31B29D #3187B2 #3147B2

triadic

#3187B2 #B23187 #87B231

tetradic

#3187B2 #9D31B2 #B25C31 #47B231

square

#3187B2 #9D31B2 #B25C31 #47B231

split-complementary

#3187B2 #B23147 #B29D31

monochromatic

#173E52 #246382 #3187B2 #51A5CF #81BEDC

Accessibility & contrast

On white

4.01

#3187B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3187B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187B2

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187B2	#FFFFFF	#000000	##000000
##3187B2	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B4

Deuteranopia (green-blind)

#6179B1

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3187b2;
/* rgb */ color: rgb(49, 135, 178);
/* oklch */ color: oklch(59.1% 0.104 234.4);

Tailwind

colors: {
  custom: {
    50: '#7aa9c9',
    500: '#3187b2',
    950: '#000000',
  },
}

SCSS

$custom: #3187b2;
$custom-light: #7aa9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3187b2",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 200,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.59122,
    "c": 0.10384,
    "h": 234.4
  },
  "luminance": 0.21195
}

Semantic roles & 50–950 ramp

primary

#3187B2

secondary

#C59379

accent

#7B48E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3187B2

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

Preview Lab → · Contrast checker → · Palette generator →