#51839B#51839B

#51839B is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.065 H 230.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#51839B
RGB	rgb(81, 131, 155)
HSL	hsl(199, 31%, 46%)
HSV	hsv(199, 48%, 61%)
CMYK	cmyk(47.7%, 15.5%, 0%, 39.2%)
CIE-LAB	lab(52.23, -10.05, -18.07)
CIE-LCH	lch(52.23, 20.68, 240.92°)
OKLab	oklab(58.41% -0.0418 -0.05)
OKLCH	oklch(58.41% 0.065 230.1)
XYZ	xyz(17.4239, 20.3472, 34.0132)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51839B #9B6951

analogous

#519B8E #51839B #515E9B

triadic

#51839B #9B5183 #839B51

tetradic

#51839B #8E519B #9B6951 #5E9B51

square

#51839B #8E519B #9B6951 #5E9B51

split-complementary

#51839B #9B515E #9B8E51

monochromatic

#273F4B #3C6173 #51839B #73A0B6 #9BBCCB

Accessibility & contrast

On white

4.14

#51839B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#51839B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51839B

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51839B	#FFFFFF	#000000	##000000
##51839B	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77819C

Deuteranopia (green-blind)

#6C799B

Tritanopia (blue-blind)

#2E8A8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #51839b;
/* rgb */ color: rgb(81, 131, 155);
/* oklch */ color: oklch(58.4% 0.065 230.1);

Tailwind

colors: {
  custom: {
    50: '#86a7b8',
    500: '#51839b',
    950: '#000000',
  },
}

SCSS

$custom: #51839b;
$custom-light: #86a7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#51839b",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 155
  },
  "hsl": {
    "h": 199.459,
    "s": 31.356,
    "l": 46.275
  },
  "oklch": {
    "l": 0.58406,
    "c": 0.06523,
    "h": 230.1
  },
  "luminance": 0.20348
}

Semantic roles & 50–950 ramp

primary

#51839B

secondary

#B89D90

accent

#8260C8

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0B0F11

muted

#7C7F80

Preview Lab

Preview with #51839B

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

Preview Lab → · Contrast checker → · Palette generator →