#3187B7#3187B7

#3187B7 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.4% C 0.109 H 237.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3187B7
RGB	rgb(49, 135, 183)
HSL	hsl(201, 58%, 45%)
HSV	hsv(201, 73%, 72%)
CMYK	cmyk(73.2%, 26.2%, 0%, 28.2%)
CIE-LAB	lab(53.38, -9.43, -32.53)
CIE-LCH	lch(53.38, 33.87, 253.84°)
OKLab	oklab(59.37% -0.0587 -0.0917)
OKLCH	oklch(59.37% 0.109 237.4)
XYZ	xyz(18.4745, 21.3977, 47.9471)
Luminance	0.2140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3187B7 #B76131

analogous

#31B7A4 #3187B7 #3144B7

triadic

#3187B7 #B73187 #87B731

tetradic

#3187B7 #A431B7 #B76131 #44B731

square

#3187B7 #A431B7 #B76131 #44B731

split-complementary

#3187B7 #B73144 #B7A431

monochromatic

#174056 #246387 #3187B7 #54A4D1 #84BEDE

Accessibility & contrast

On white

3.98

#3187B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3187B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3187B7

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3187B7	#FFFFFF	#000000	##000000
##3187B7	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7087B9

Deuteranopia (green-blind)

#5E7AB6

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3187b7;
/* rgb */ color: rgb(49, 135, 183);
/* oklch */ color: oklch(59.4% 0.109 237.4);

Tailwind

colors: {
  custom: {
    50: '#7ba9cc',
    500: '#3187b7',
    950: '#000000',
  },
}

SCSS

$custom: #3187b7;
$custom-light: #7ba9cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3187b7",
  "rgb": {
    "r": 49,
    "g": 135,
    "b": 183
  },
  "hsl": {
    "h": 201.493,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.59371,
    "c": 0.10891,
    "h": 237.4
  },
  "luminance": 0.214
}

Semantic roles & 50–950 ramp

primary

#3187B7

secondary

#C8977C

accent

#7E47E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3187B7

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

Preview Lab → · Contrast checker → · Palette generator →