#51597A#51597A

#51597A is a mid, muted blue. Relative luminance 0.103; OKLCH L 47.1% C 0.055 H 273.6°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#51597A
RGB	rgb(81, 89, 122)
HSL	hsl(228, 20%, 40%)
HSV	hsv(228, 34%, 48%)
CMYK	cmyk(33.6%, 27%, 0%, 52.2%)
CIE-LAB	lab(38.37, 5.37, -19.65)
CIE-LCH	lch(38.37, 20.37, 285.30°)
OKLab	oklab(47.07% 0.0034 -0.0544)
OKLCH	oklch(47.07% 0.055 273.6)
XYZ	xyz(10.4776, 10.2989, 19.8444)
Luminance	0.1030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51597A #7A7251

analogous

#516D7A #51597A #5E517A

triadic

#51597A #7A5159 #597A51

tetradic

#51597A #7A516D #7A7251 #517A5E

square

#51597A #7A516D #7A7251 #517A5E

split-complementary

#51597A #7A5E51 #6D7A51

monochromatic

#202330 #393E55 #51597A #6B759D #9097B5

Accessibility & contrast

On white

6.86

#51597A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#51597A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51597A

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51597A	#FFFFFF	#000000	##FFFFFF
##51597A	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5C7B

Deuteranopia (green-blind)

#4C5979

Tritanopia (blue-blind)

#465F64

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #51597a;
/* rgb */ color: rgb(81, 89, 122);
/* oklch */ color: oklch(47.1% 0.055 273.6);

Tailwind

colors: {
  custom: {
    50: '#8387a0',
    500: '#51597a',
    950: '#000000',
  },
}

SCSS

$custom: #51597a;
$custom-light: #8387a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51597a",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 122
  },
  "hsl": {
    "h": 228.293,
    "s": 20.197,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47065,
    "c": 0.05453,
    "h": 273.6
  },
  "luminance": 0.10299
}

Semantic roles & 50–950 ramp

primary

#51597A

secondary

#A39D84

accent

#AD6BBD

background

#F8F8F9

surface

#EFEFF2

border

#CACACC

text

#0B0B0E

muted

#7C7C7E

Preview Lab

Preview with #51597A

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

Preview Lab → · Contrast checker → · Palette generator →