#51A7D6#51A7D6

#51A7D6 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.4% C 0.108 H 235.2°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#51A7D6
RGB	rgb(81, 167, 214)
HSL	hsl(201, 62%, 58%)
HSV	hsv(201, 62%, 84%)
CMYK	cmyk(62.1%, 22%, 0%, 16.1%)
CIE-LAB	lab(65.15, -11.86, -31.59)
CIE-LCH	lch(65.15, 33.75, 249.43°)
OKLab	oklab(69.44% -0.0615 -0.0885)
OKLCH	oklch(69.44% 0.108 235.2)
XYZ	xyz(29.3450, 34.2389, 68.6676)
Luminance	0.3424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A7D6 #D68051

analogous

#51D6C2 #51A7D6 #5164D6

triadic

#51A7D6 #D651A7 #A7D651

tetradic

#51A7D6 #C251D6 #D68051 #64D651

square

#51A7D6 #C251D6 #D68051 #64D651

split-complementary

#51A7D6 #D65164 #D6C251

monochromatic

#21668C #2D8ABD #51A7D6 #83C0E2 #B4D9ED

Accessibility & contrast

On white

2.68

#51A7D6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#51A7D6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A7D6

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A7D6	#FFFFFF	#000000	##000000
##51A7D6	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A6D8

Deuteranopia (green-blind)

#7E98D5

Tritanopia (blue-blind)

#00B3B7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51a7d6;
/* rgb */ color: rgb(81, 167, 214);
/* oklch */ color: oklch(69.4% 0.108 235.2);

Tailwind

colors: {
  custom: {
    50: '#8ec1e2',
    500: '#51a7d6',
    950: '#000000',
  },
}

SCSS

$custom: #51a7d6;
$custom-light: #8ec1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#51a7d6",
  "rgb": {
    "r": 81,
    "g": 167,
    "b": 214
  },
  "hsl": {
    "h": 201.203,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.69439,
    "c": 0.1078,
    "h": 235.2
  },
  "luminance": 0.34242
}

Semantic roles & 50–950 ramp

primary

#51A7D6

secondary

#DCBAA7

accent

#7C43E5

background

#F9FBFD

surface

#F2F7FB

border

#CCD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A7D6

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

Preview Lab → · Contrast checker → · Palette generator →