#51A2EA#51A2EA

#51A2EA is a light, vivid cyan. Relative luminance 0.335; OKLCH L 69.3% C 0.133 H 247.8°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#51A2EA
RGB	rgb(81, 162, 234)
HSL	hsl(208, 78%, 62%)
HSV	hsv(208, 65%, 92%)
CMYK	cmyk(65.4%, 30.8%, 0%, 8.2%)
CIE-LAB	lab(64.59, -2.59, -43.50)
CIE-LCH	lch(64.59, 43.58, 266.59°)
OKLab	oklab(69.27% -0.0501 -0.123)
OKLCH	oklch(69.27% 0.133 247.8)
XYZ	xyz(31.1594, 33.5273, 82.6552)
Luminance	0.3353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2EA #EA9951

analogous

#51EAE5 #51A2EA #5156EA

triadic

#51A2EA #EA51A2 #A2EA51

tetradic

#51A2EA #E551EA #EA9951 #56EA51

square

#51A2EA #E551EA #EA9951 #56EA51

split-complementary

#51A2EA #EA5156 #EAE551

monochromatic

#1565AC #1B85E2 #51A2EA #88BFF1 #BEDCF7

Accessibility & contrast

On white

2.73

#51A2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#51A2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2EA

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2EA	#FFFFFF	#000000	##000000
##51A2EA	1.00	2.73	7.71	7.71
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A5ED

Deuteranopia (green-blind)

#6D96E9

Tritanopia (blue-blind)

#00B3BC

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #51a2ea;
/* rgb */ color: rgb(81, 162, 234);
/* oklch */ color: oklch(69.3% 0.133 247.8);

Tailwind

colors: {
  custom: {
    50: '#90bdf1',
    500: '#51a2ea',
    950: '#000000',
  },
}

SCSS

$custom: #51a2ea;
$custom-light: #90bdf1;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2ea",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 234
  },
  "hsl": {
    "h": 208.235,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.69275,
    "c": 0.13281,
    "h": 247.8
  },
  "luminance": 0.33531
}

Semantic roles & 50–950 ramp

primary

#51A2EA

secondary

#E8CAAF

accent

#6D0BDB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51A2EA

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

Preview Lab → · Contrast checker → · Palette generator →