#51739A#51739A

#51739A is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.073 H 252.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#51739A
RGB	rgb(81, 115, 154)
HSL	hsl(212, 31%, 46%)
HSV	hsv(212, 47%, 60%)
CMYK	cmyk(47.4%, 25.3%, 0%, 39.6%)
CIE-LAB	lab(47.42, -1.05, -24.88)
CIE-LCH	lch(47.42, 24.90, 267.58°)
OKLab	oklab(54.6% -0.0219 -0.0694)
OKLCH	oklch(54.6% 0.073 252.5)
XYZ	xyz(15.3548, 16.3429, 32.9110)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51739A #9A7851

analogous

#51979A #51739A #53519A

triadic

#51739A #9A5173 #739A51

tetradic

#51739A #9A5197 #9A7851 #519A53

square

#51739A #9A5197 #9A7851 #519A53

split-complementary

#51739A #9A5351 #979A51

monochromatic

#27374A #3C5572 #51739A #7392B5 #9BB1CA

Accessibility & contrast

On white

4.92

#51739A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#51739A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51739A

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51739A	#FFFFFF	#000000	##FFFFFF
##51739A	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64759C

Deuteranopia (green-blind)

#5B6D99

Tritanopia (blue-blind)

#327C80

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #51739a;
/* rgb */ color: rgb(81, 115, 154);
/* oklch */ color: oklch(54.6% 0.073 252.5);

Tailwind

colors: {
  custom: {
    50: '#869bb8',
    500: '#51739a',
    950: '#000000',
  },
}

SCSS

$custom: #51739a;
$custom-light: #869bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#51739a",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 154
  },
  "hsl": {
    "h": 212.055,
    "s": 31.064,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54596,
    "c": 0.07277,
    "h": 252.5
  },
  "luminance": 0.16344
}

Semantic roles & 50–950 ramp

primary

#51739A

secondary

#B7A58F

accent

#9761C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0B0E11

muted

#7C7E80

Preview Lab

Preview with #51739A

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

Preview Lab → · Contrast checker → · Palette generator →