#51607B#51607B

#51607B is a mid, muted blue. Relative luminance 0.115; OKLCH L 48.7% C 0.047 H 262.0°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#51607B
RGB	rgb(81, 96, 123)
HSL	hsl(219, 21%, 40%)
HSV	hsv(219, 34%, 48%)
CMYK	cmyk(34.1%, 22%, 0%, 51.8%)
CIE-LAB	lab(40.48, 1.31, -17.01)
CIE-LCH	lch(40.48, 17.06, 274.39°)
OKLab	oklab(48.73% -0.0066 -0.0469)
OKLCH	oklch(48.73% 0.047 262)
XYZ	xyz(11.1503, 11.5447, 20.3759)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51607B #7B6C51

analogous

#51757B #51607B #57517B

triadic

#51607B #7B5160 #607B51

tetradic

#51607B #7B5175 #7B6C51 #517B57

square

#51607B #7B5175 #7B6C51 #517B57

split-complementary

#51607B #7B5751 #757B51

monochromatic

#202631 #394356 #51607B #6B7D9E #909EB6

Accessibility & contrast

On white

6.35

#51607B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#51607B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51607B

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51607B	#FFFFFF	#000000	##FFFFFF
##51607B	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627C

Deuteranopia (green-blind)

#535E7A

Tritanopia (blue-blind)

#456669

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #51607b;
/* rgb */ color: rgb(81, 96, 123);
/* oklch */ color: oklch(48.7% 0.047 262.0);

Tailwind

colors: {
  custom: {
    50: '#838da1',
    500: '#51607b',
    950: '#000000',
  },
}

SCSS

$custom: #51607b;
$custom-light: #838da1;
$custom-dark: #000000;

JSON

{
  "hex": "#51607b",
  "rgb": {
    "r": 81,
    "g": 96,
    "b": 123
  },
  "hsl": {
    "h": 218.571,
    "s": 20.588,
    "l": 40
  },
  "oklch": {
    "l": 0.48725,
    "c": 0.04741,
    "h": 262
  },
  "luminance": 0.11545
}

Semantic roles & 50–950 ramp

primary

#51607B

secondary

#A39884

accent

#A06BBD

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0C0F

muted

#7C7D7E

Preview Lab

Preview with #51607B

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

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