#51A2D7#51A2D7

#51A2D7 is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.3% C 0.111 H 239.9°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#51A2D7
RGB	rgb(81, 162, 215)
HSL	hsl(204, 63%, 58%)
HSV	hsv(204, 62%, 84%)
CMYK	cmyk(62.3%, 24.7%, 0%, 15.7%)
CIE-LAB	lab(63.75, -8.79, -34.33)
CIE-LCH	lch(63.75, 35.43, 255.64°)
OKLab	oklab(68.34% -0.0559 -0.0964)
OKLCH	oklch(68.34% 0.111 239.9)
XYZ	xyz(28.5748, 32.4935, 69.0428)
Luminance	0.3250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2D7 #D78651

analogous

#51D7C9 #51A2D7 #515FD7

triadic

#51A2D7 #D751A2 #A2D751

tetradic

#51A2D7 #C951D7 #D78651 #5FD751

square

#51A2D7 #C951D7 #D78651 #5FD751

split-complementary

#51A2D7 #D7515F #D7C951

monochromatic

#20628D #2C85BF #51A2D7 #83BDE2 #B5D7EE

Accessibility & contrast

On white

2.80

#51A2D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#51A2D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2D7

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2D7	#FFFFFF	#000000	##000000
##51A2D7	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AA2D9

Deuteranopia (green-blind)

#7894D6

Tritanopia (blue-blind)

#00AFB4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51a2d7;
/* rgb */ color: rgb(81, 162, 215);
/* oklch */ color: oklch(68.3% 0.111 239.9);

Tailwind

colors: {
  custom: {
    50: '#8ebde3',
    500: '#51a2d7',
    950: '#000000',
  },
}

SCSS

$custom: #51a2d7;
$custom-light: #8ebde3;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2d7",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 215
  },
  "hsl": {
    "h": 203.731,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.68339,
    "c": 0.11145,
    "h": 239.9
  },
  "luminance": 0.32496
}

Semantic roles & 50–950 ramp

primary

#51A2D7

secondary

#DDBCA7

accent

#8342E6

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A2D7

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

Preview Lab → · Contrast checker → · Palette generator →