#51CBE1#51CBE1

#51CBE1 is a light, moderate teal. Relative luminance 0.499; OKLCH L 78.3% C 0.111 H 211.6°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#51CBE1
RGB	rgb(81, 203, 225)
HSL	hsl(189, 71%, 60%)
HSV	hsv(189, 64%, 88%)
CMYK	cmyk(64%, 9.8%, 0%, 11.8%)
CIE-LAB	lab(76.00, -27.15, -20.96)
CIE-LCH	lch(76.00, 34.30, 217.67°)
OKLab	oklab(78.25% -0.0947 -0.0582)
OKLCH	oklch(78.25% 0.111 211.6)
XYZ	xyz(38.3342, 49.8933, 78.8297)
Luminance	0.4990 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBE1 #E16751

analogous

#51E1AF #51CBE1 #5183E1

triadic

#51CBE1 #E151CB #CBE151

tetradic

#51CBE1 #AF51E1 #E16751 #83E151

square

#51CBE1 #AF51E1 #E16751 #83E151

split-complementary

#51CBE1 #E15183 #E1AF51

monochromatic

#1B899D #24B6D1 #51CBE1 #85DBEA #B9EAF3

Accessibility & contrast

On white

1.91

#51CBE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#51CBE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBE1

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBE1	#FFFFFF	#000000	##000000
##51CBE1	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C4E2

Deuteranopia (green-blind)

#A4B5E1

Tritanopia (blue-blind)

#00D4D2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbe1;
/* rgb */ color: rgb(81, 203, 225);
/* oklch */ color: oklch(78.3% 0.111 211.6);

Tailwind

colors: {
  custom: {
    50: '#91dbea',
    500: '#51cbe1',
    950: '#000000',
  },
}

SCSS

$custom: #51cbe1;
$custom-light: #91dbea;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbe1",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 225
  },
  "hsl": {
    "h": 189.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.78253,
    "c": 0.11112,
    "h": 211.6
  },
  "luminance": 0.49897
}

Semantic roles & 50–950 ramp

primary

#51CBE1

secondary

#E3B4AB

accent

#563AED

background

#F9FDFE

surface

#F2FBFD

border

#CCD4D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #51CBE1

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

Preview Lab → · Contrast checker → · Palette generator →