#3187B1#3187B1

#3187B1 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.103 H 233.8°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3187B1
RGB	rgb(49, 135, 177)
HSL	hsl(200, 57%, 44%)
HSV	hsv(200, 72%, 69%)
CMYK	cmyk(72.3%, 23.7%, 0%, 30.6%)
CIE-LAB	lab(53.12, -11.51, -29.51)
CIE-LCH	lch(53.12, 31.67, 248.68°)
OKLab	oklab(59.07% -0.0608 -0.083)
OKLCH	oklch(59.07% 0.103 233.8)
XYZ	xyz(17.8633, 21.1532, 44.7280)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187B1 #B15B31

analogous

#31B19B #3187B1 #3147B1

triadic

#3187B1 #B13187 #87B131

tetradic

#3187B1 #9B31B1 #B15B31 #47B131

square

#3187B1 #9B31B1 #B15B31 #47B131

split-complementary

#3187B1 #B13147 #B19B31

monochromatic

#163E51 #246281 #3187B1 #51A5CF #80BEDC

Accessibility & contrast

On white

4.01

#3187B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3187B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187B1

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187B1	#FFFFFF	#000000	##000000
##3187B1	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B3

Deuteranopia (green-blind)

#6179B0

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3187b1;
/* rgb */ color: rgb(49, 135, 177);
/* oklch */ color: oklch(59.1% 0.103 233.8);

Tailwind

colors: {
  custom: {
    50: '#7aaac8',
    500: '#3187b1',
    950: '#000000',
  },
}

SCSS

$custom: #3187b1;
$custom-light: #7aaac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3187b1",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 177
  },
  "hsl": {
    "h": 199.688,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.59073,
    "c": 0.10287,
    "h": 233.8
  },
  "luminance": 0.21155
}

Semantic roles & 50–950 ramp

primary

#3187B1

secondary

#C59279

accent

#7A48E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3187B1

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

Preview Lab → · Contrast checker → · Palette generator →