#51A0BE#51A0BE

#51A0BE is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.8% C 0.089 H 225.4°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#51A0BE
RGB	rgb(81, 160, 190)
HSL	hsl(197, 46%, 53%)
HSV	hsv(197, 57%, 75%)
CMYK	cmyk(57.4%, 15.8%, 0%, 25.5%)
CIE-LAB	lab(62.17, -15.51, -22.82)
CIE-LCH	lch(62.17, 27.60, 235.80°)
OKLab	oklab(66.76% -0.0626 -0.0635)
OKLCH	oklch(66.76% 0.089 225.4)
XYZ	xyz(25.2548, 30.6063, 53.2819)
Luminance	0.3061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A0BE #BE6F51

analogous

#51BEA6 #51A0BE #5169BE

triadic

#51A0BE #BE51A0 #A0BE51

tetradic

#51A0BE #A651BE #BE6F51 #69BE51

square

#51A0BE #A651BE #BE6F51 #69BE51

split-complementary

#51A0BE #BE5169 #BEA651

monochromatic

#285A6C #397E99 #51A0BE #7EB8CF #AAD1DF

Accessibility & contrast

On white

2.95

#51A0BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#51A0BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0BE

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A0BE	#FFFFFF	#000000	##000000
##51A0BE	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909DC0

Deuteranopia (green-blind)

#8091BE

Tritanopia (blue-blind)

#00A9AA

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #51a0be;
/* rgb */ color: rgb(81, 160, 190);
/* oklch */ color: oklch(66.8% 0.089 225.4);

Tailwind

colors: {
  custom: {
    50: '#8bbcd1',
    500: '#51a0be',
    950: '#000000',
  },
}

SCSS

$custom: #51a0be;
$custom-light: #8bbcd1;
$custom-dark: #000000;

JSON

{
  "hex": "#51a0be",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 190
  },
  "hsl": {
    "h": 196.514,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.6676,
    "c": 0.08918,
    "h": 225.4
  },
  "luminance": 0.30609
}

Semantic roles & 50–950 ramp

primary

#51A0BE

secondary

#CDAB9E

accent

#7753D5

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0D1214

muted

#7D8182

Preview Lab

Preview with #51A0BE

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

Preview Lab → · Contrast checker → · Palette generator →