#51A2DE#51A2DE

#51A2DE is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.7% C 0.119 H 243.2°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#51A2DE
RGB	rgb(81, 162, 222)
HSL	hsl(206, 68%, 59%)
HSV	hsv(206, 64%, 87%)
CMYK	cmyk(63.5%, 27%, 0%, 12.9%)
CIE-LAB	lab(64.05, -6.53, -37.73)
CIE-LCH	lch(64.05, 38.29, 260.18°)
OKLab	oklab(68.68% -0.0537 -0.1062)
OKLCH	oklch(68.68% 0.119 243.2)
XYZ	xyz(29.4935, 32.8610, 73.8816)
Luminance	0.3286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2DE #DE8D51

analogous

#51DED4 #51A2DE #515CDE

triadic

#51A2DE #DE51A2 #A2DE51

tetradic

#51A2DE #D451DE #DE8D51 #5CDE51

square

#51A2DE #D451DE #DE8D51 #5CDE51

split-complementary

#51A2DE #DE515C #DED451

monochromatic

#1D6398 #2785CB #51A2DE #84BDE8 #B8D9F2

Accessibility & contrast

On white

2.77

#51A2DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#51A2DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2DE

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2DE	#FFFFFF	#000000	##000000
##51A2DE	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A3E1

Deuteranopia (green-blind)

#7495DD

Tritanopia (blue-blind)

#00B1B7

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51a2de;
/* rgb */ color: rgb(81, 162, 222);
/* oklch */ color: oklch(68.7% 0.119 243.2);

Tailwind

colors: {
  custom: {
    50: '#8fbde8',
    500: '#51a2de',
    950: '#000000',
  },
}

SCSS

$custom: #51a2de;
$custom-light: #8fbde8;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2de",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 222
  },
  "hsl": {
    "h": 205.532,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.68675,
    "c": 0.11904,
    "h": 243.2
  },
  "luminance": 0.32864
}

Semantic roles & 50–950 ramp

primary

#51A2DE

secondary

#E1C1AA

accent

#873DEB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51A2DE

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

Preview Lab → · Contrast checker → · Palette generator →