#51999D#51999D

#51999D is a light, moderate teal. Relative luminance 0.270; OKLCH L 63.8% C 0.072 H 200.2°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#51999D
RGB	rgb(81, 153, 157)
HSL	hsl(183, 32%, 47%)
HSV	hsv(183, 48%, 62%)
CMYK	cmyk(48.4%, 2.5%, 0%, 38.4%)
CIE-LAB	lab(58.94, -21.39, -9.08)
CIE-LCH	lch(58.94, 23.24, 203.01°)
OKLab	oklab(63.79% -0.0679 -0.025)
OKLCH	oklch(63.79% 0.072 200.2)
XYZ	xyz(20.8680, 26.9644, 35.9967)
Luminance	0.2697 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51999D #9D5551

analogous

#519D7B #51999D #51739D

triadic

#51999D #9D5199 #999D51

tetradic

#51999D #7B519D #9D5551 #739D51

square

#51999D #7B519D #9D5551 #739D51

split-complementary

#51999D #9D5173 #9D7B51

monochromatic

#274A4C #3C7275 #51999D #74B4B7 #9CCACC

Accessibility & contrast

On white

3.28

#51999D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#51999D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51999D

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51999D	#FFFFFF	#000000	##000000
##51999D	1.00	3.28	6.39	6.39
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90939D

Deuteranopia (green-blind)

#838A9D

Tritanopia (blue-blind)

#259E9A

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #51999d;
/* rgb */ color: rgb(81, 153, 157);
/* oklch */ color: oklch(63.8% 0.072 200.2);

Tailwind

colors: {
  custom: {
    50: '#88b7b9',
    500: '#51999d',
    950: '#000000',
  },
}

SCSS

$custom: #51999d;
$custom-light: #88b7b9;
$custom-dark: #000000;

JSON

{
  "hex": "#51999d",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 157
  },
  "hsl": {
    "h": 183.158,
    "s": 31.933,
    "l": 46.667
  },
  "oklch": {
    "l": 0.63794,
    "c": 0.07242,
    "h": 200.2
  },
  "luminance": 0.26966
}

Semantic roles & 50–950 ramp

primary

#51999D

secondary

#B99391

accent

#6560C8

background

#F8FBFB

surface

#F0F6F6

border

#CBD0D0

text

#0C1111

muted

#7D8080

Preview Lab

Preview with #51999D

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

Preview Lab → · Contrast checker → · Palette generator →