#5183B2#5183B2

#5183B2 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.5% C 0.090 H 248.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#5183B2
RGB	rgb(81, 131, 178)
HSL	hsl(209, 39%, 51%)
HSV	hsv(209, 54%, 70%)
CMYK	cmyk(54.5%, 26.4%, 0%, 30.2%)
CIE-LAB	lab(53.16, -3.00, -29.92)
CIE-LCH	lch(53.16, 30.07, 264.27°)
OKLab	oklab(59.45% -0.0337 -0.0839)
OKLCH	oklch(59.45% 0.09 248.1)
XYZ	xyz(19.5427, 21.1947, 45.1720)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183B2 #B28051

analogous

#51B2B0 #5183B2 #5152B2

triadic

#5183B2 #B25183 #83B251

tetradic

#5183B2 #B051B2 #B28051 #52B251

square

#5183B2 #B051B2 #B28051 #52B251

split-complementary

#5183B2 #B25152 #B2B051

monochromatic

#2A455F #3D6489 #5183B2 #7BA1C5 #A6BFD8

Accessibility & contrast

On white

4.01

#5183B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#5183B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183B2

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183B2	#FFFFFF	#000000	##000000
##5183B2	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)

#6F84B4

Deuteranopia (green-blind)

#637BB1

Tritanopia (blue-blind)

#138E93

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5183b2;
/* rgb */ color: rgb(81, 131, 178);
/* oklch */ color: oklch(59.5% 0.090 248.1);

Tailwind

colors: {
  custom: {
    50: '#88a6c9',
    500: '#5183b2',
    950: '#000000',
  },
}

SCSS

$custom: #5183b2;
$custom-light: #88a6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#5183b2",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 178
  },
  "hsl": {
    "h": 209.072,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.59454,
    "c": 0.09036,
    "h": 248.1
  },
  "luminance": 0.21196
}

Semantic roles & 50–950 ramp

primary

#5183B2

secondary

#C5AF9A

accent

#9259CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #5183B2

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

Preview Lab → · Contrast checker → · Palette generator →