#51A2DA#51A2DA

#51A2DA is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.5% C 0.115 H 241.4°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#51A2DA
RGB	rgb(81, 162, 218)
HSL	hsl(205, 65%, 59%)
HSV	hsv(205, 63%, 85%)
CMYK	cmyk(62.8%, 25.7%, 0%, 14.5%)
CIE-LAB	lab(63.88, -7.83, -35.79)
CIE-LCH	lch(63.88, 36.64, 257.67°)
OKLab	oklab(68.48% -0.055 -0.1006)
OKLCH	oklch(68.48% 0.115 241.4)
XYZ	xyz(28.9638, 32.6491, 71.0916)
Luminance	0.3265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2DA #DA8951

analogous

#51DACE #51A2DA #515DDA

triadic

#51A2DA #DA51A2 #A2DA51

tetradic

#51A2DA #CE51DA #DA8951 #5DDA51

square

#51A2DA #CE51DA #DA8951 #5DDA51

split-complementary

#51A2DA #DA515D #DACE51

monochromatic

#1F6392 #2A85C4 #51A2DA #83BDE5 #B6D8EF

Accessibility & contrast

On white

2.79

#51A2DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#51A2DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2DA

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2DA	#FFFFFF	#000000	##000000
##51A2DA	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A2DD

Deuteranopia (green-blind)

#7695D9

Tritanopia (blue-blind)

#00B0B5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51a2da;
/* rgb */ color: rgb(81, 162, 218);
/* oklch */ color: oklch(68.5% 0.115 241.4);

Tailwind

colors: {
  custom: {
    50: '#8ebde5',
    500: '#51a2da',
    950: '#000000',
  },
}

SCSS

$custom: #51a2da;
$custom-light: #8ebde5;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2da",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 218
  },
  "hsl": {
    "h": 204.526,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.68482,
    "c": 0.11465,
    "h": 241.4
  },
  "luminance": 0.32652
}

Semantic roles & 50–950 ramp

primary

#51A2DA

secondary

#DEBEA8

accent

#8540E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1216

muted

#7E8184

Preview Lab

Preview with #51A2DA

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

Preview Lab → · Contrast checker → · Palette generator →