#51689C#51689C

#51689C is a mid, moderate blue. Relative luminance 0.141; OKLCH L 52.2% C 0.087 H 265.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#51689C
RGB	rgb(81, 104, 156)
HSL	hsl(222, 32%, 46%)
HSV	hsv(222, 48%, 61%)
CMYK	cmyk(48.1%, 33.3%, 0%, 38.8%)
CIE-LAB	lab(44.30, 6.26, -30.91)
CIE-LCH	lch(44.30, 31.54, 281.46°)
OKLab	oklab(52.19% -0.0071 -0.0868)
OKLCH	oklch(52.19% 0.087 265.3)
XYZ	xyz(14.3425, 14.0494, 33.4021)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51689C #9C8551

analogous

#518E9C #51689C #60519C

triadic

#51689C #9C5168 #689C51

tetradic

#51689C #9C518E #9C8551 #519C60

square

#51689C #9C518E #9C8551 #519C60

split-complementary

#51689C #9C6051 #8E9C51

monochromatic

#27324B #3C4D74 #51689C #7488B7 #9CAACC

Accessibility & contrast

On white

5.51

#51689C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#51689C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51689C

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51689C	#FFFFFF	#000000	##FFFFFF
##51689C	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556C9E

Deuteranopia (green-blind)

#4D669B

Tritanopia (blue-blind)

#33737B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #51689c;
/* rgb */ color: rgb(81, 104, 156);
/* oklch */ color: oklch(52.2% 0.087 265.3);

Tailwind

colors: {
  custom: {
    50: '#8692b9',
    500: '#51689c',
    950: '#000000',
  },
}

SCSS

$custom: #51689c;
$custom-light: #8692b9;
$custom-dark: #000000;

JSON

{
  "hex": "#51689c",
  "rgb": {
    "r": 81,
    "g": 104,
    "b": 156
  },
  "hsl": {
    "h": 221.6,
    "s": 31.646,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52191,
    "c": 0.08714,
    "h": 265.3
  },
  "luminance": 0.1405
}

Semantic roles & 50–950 ramp

primary

#51689C

secondary

#B8AC90

accent

#A860C8

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0D11

muted

#7C7D80

Preview Lab

Preview with #51689C

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

Preview Lab → · Contrast checker → · Palette generator →