#51A6CE#51A6CE

#51A6CE is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.8% C 0.101 H 231.1°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#51A6CE
RGB	rgb(81, 166, 206)
HSL	hsl(199, 56%, 56%)
HSV	hsv(199, 61%, 81%)
CMYK	cmyk(60.7%, 19.4%, 0%, 19.2%)
CIE-LAB	lab(64.54, -13.82, -28.10)
CIE-LCH	lch(64.54, 31.32, 243.81°)
OKLab	oklab(68.85% -0.0633 -0.0785)
OKLCH	oklch(68.85% 0.101 231.1)
XYZ	xyz(28.1658, 33.4752, 63.3576)
Luminance	0.3348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A6CE #CE7951

analogous

#51CEB8 #51A6CE #5168CE

triadic

#51A6CE #CE51A6 #A6CE51

tetradic

#51A6CE #B851CE #CE7951 #68CE51

square

#51A6CE #B851CE #CE7951 #68CE51

split-complementary

#51A6CE #CE5168 #CEB851

monochromatic

#246380 #3288B0 #51A6CE #81BEDB #B1D7E9

Accessibility & contrast

On white

2.73

#51A6CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#51A6CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A6CE

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A6CE	#FFFFFF	#000000	##000000
##51A6CE	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A4D0

Deuteranopia (green-blind)

#8197CD

Tritanopia (blue-blind)

#00B1B3

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51a6ce;
/* rgb */ color: rgb(81, 166, 206);
/* oklch */ color: oklch(68.8% 0.101 231.1);

Tailwind

colors: {
  custom: {
    50: '#8dc0dd',
    500: '#51a6ce',
    950: '#000000',
  },
}

SCSS

$custom: #51a6ce;
$custom-light: #8dc0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51a6ce",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 206
  },
  "hsl": {
    "h": 199.2,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.6885,
    "c": 0.10084,
    "h": 231.1
  },
  "luminance": 0.33478
}

Semantic roles & 50–950 ramp

primary

#51A6CE

secondary

#D7B4A4

accent

#7948DF

background

#F9FBFD

surface

#F1F7FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A6CE

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

Preview Lab → · Contrast checker → · Palette generator →