#5180BB#5180BB

#5180BB is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.105 H 254.8°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5180BB
RGB	rgb(81, 128, 187)
HSL	hsl(213, 44%, 53%)
HSV	hsv(213, 57%, 73%)
CMYK	cmyk(56.7%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(52.70, 1.66, -35.80)
CIE-LCH	lch(52.70, 35.84, 272.66°)
OKLab	oklab(59.23% -0.0274 -0.1009)
OKLCH	oklch(59.23% 0.105 254.8)
XYZ	xyz(20.0790, 20.7739, 49.9557)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180BB #BB8C51

analogous

#51B5BB #5180BB #5751BB

triadic

#5180BB #BB5180 #80BB51

tetradic

#5180BB #BB51B5 #BB8C51 #51BB57

square

#5180BB #BB51B5 #BB8C51 #51BB57

split-complementary

#5180BB #BB5751 #B5BB51

monochromatic

#294569 #3A6295 #5180BB #7DA0CC #A9C0DD

Accessibility & contrast

On white

4.07

#5180BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#5180BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180BB

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180BB	#FFFFFF	#000000	##000000
##5180BB	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BE

Deuteranopia (green-blind)

#5A79BA

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5180bb;
/* rgb */ color: rgb(81, 128, 187);
/* oklch */ color: oklch(59.2% 0.105 254.8);

Tailwind

colors: {
  custom: {
    50: '#8aa4cf',
    500: '#5180bb',
    950: '#000000',
  },
}

SCSS

$custom: #5180bb;
$custom-light: #8aa4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5180bb",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 213.396,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59227,
    "c": 0.10456,
    "h": 254.8
  },
  "luminance": 0.20776
}

Semantic roles & 50–950 ramp

primary

#5180BB

secondary

#CBB79D

accent

#9B54D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #5180BB

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

Preview Lab → · Contrast checker → · Palette generator →