#5181AD#5181AD

#5181AD is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.8% C 0.086 H 247.4°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#5181AD
RGB	rgb(81, 129, 173)
HSL	hsl(209, 36%, 50%)
HSV	hsv(209, 53%, 68%)
CMYK	cmyk(53.2%, 25.4%, 0%, 32.2%)
CIE-LAB	lab(52.36, -3.41, -28.29)
CIE-LCH	lch(52.36, 28.49, 263.12°)
OKLab	oklab(58.75% -0.0329 -0.0792)
OKLCH	oklch(58.75% 0.086 247.4)
XYZ	xyz(18.7837, 20.4655, 42.4875)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5181AD #AD7D51

analogous

#51ADAB #5181AD #5153AD

triadic

#5181AD #AD5181 #81AD51

tetradic

#5181AD #AB51AD #AD7D51 #53AD51

square

#5181AD #AB51AD #AD7D51 #53AD51

split-complementary

#5181AD #AD5153 #ADAB51

monochromatic

#2A435A #3D6283 #5181AD #7A9FC1 #A4BDD4

Accessibility & contrast

On white

4.12

#5181AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#5181AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5181AD

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5181AD	#FFFFFF	#000000	##000000
##5181AD	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AF

Deuteranopia (green-blind)

#6379AC

Tritanopia (blue-blind)

#1C8B90

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5181ad;
/* rgb */ color: rgb(81, 129, 173);
/* oklch */ color: oklch(58.8% 0.086 247.4);

Tailwind

colors: {
  custom: {
    50: '#88a5c5',
    500: '#5181ad',
    950: '#000000',
  },
}

SCSS

$custom: #5181ad;
$custom-light: #88a5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#5181ad",
  "rgb": {
    "r": 81,
    "g": 129,
    "b": 173
  },
  "hsl": {
    "h": 208.696,
    "s": 36.22,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58751,
    "c": 0.08574,
    "h": 247.4
  },
  "luminance": 0.20467
}

Semantic roles & 50–950 ramp

primary

#5181AD

secondary

#C2AC98

accent

#915CCC

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #5181AD

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

Preview Lab → · Contrast checker → · Palette generator →