#51A2E6#51A2E6

#51A2E6 is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.1% C 0.128 H 246.4°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#51A2E6
RGB	rgb(81, 162, 230)
HSL	hsl(207, 75%, 61%)
HSV	hsv(207, 65%, 90%)
CMYK	cmyk(64.8%, 29.6%, 0%, 9.8%)
CIE-LAB	lab(64.40, -3.91, -41.59)
CIE-LCH	lch(64.40, 41.77, 264.63°)
OKLab	oklab(69.07% -0.0513 -0.1174)
OKLCH	oklch(69.07% 0.128 246.4)
XYZ	xyz(30.5913, 33.3001, 79.6629)
Luminance	0.3330 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2E6 #E69551

analogous

#51E6E0 #51A2E6 #5157E6

triadic

#51A2E6 #E651A2 #A2E651

tetradic

#51A2E6 #E051E6 #E69551 #57E651

square

#51A2E6 #E051E6 #E69551 #57E651

split-complementary

#51A2E6 #E65157 #E6E051

monochromatic

#1864A5 #1F85DA #51A2E6 #87BFEE #BCDBF5

Accessibility & contrast

On white

2.74

#51A2E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#51A2E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2E6

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2E6	#FFFFFF	#000000	##000000
##51A2E6	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A4E9

Deuteranopia (green-blind)

#7096E5

Tritanopia (blue-blind)

#00B2BA

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51a2e6;
/* rgb */ color: rgb(81, 162, 230);
/* oklch */ color: oklch(69.1% 0.128 246.4);

Tailwind

colors: {
  custom: {
    50: '#90bdee',
    500: '#51a2e6',
    950: '#000000',
  },
}

SCSS

$custom: #51a2e6;
$custom-light: #90bdee;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2e6",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 230
  },
  "hsl": {
    "h": 207.383,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.69072,
    "c": 0.12813,
    "h": 246.4
  },
  "luminance": 0.33303
}

Semantic roles & 50–950 ramp

primary

#51A2E6

secondary

#E5C7AD

accent

#6A0ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51A2E6

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

Preview Lab → · Contrast checker → · Palette generator →