#51ABEA#51ABEA

#51ABEA is a light, vivid cyan. Relative luminance 0.368; OKLCH L 71.3% C 0.126 H 242.0°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#51ABEA
RGB	rgb(81, 171, 234)
HSL	hsl(205, 78%, 62%)
HSV	hsv(205, 65%, 92%)
CMYK	cmyk(65.4%, 26.9%, 0%, 8.2%)
CIE-LAB	lab(67.14, -7.63, -39.51)
CIE-LCH	lch(67.14, 40.24, 259.07°)
OKLab	oklab(71.29% -0.0591 -0.1113)
OKLCH	oklch(71.29% 0.126 242)
XYZ	xyz(32.8019, 36.8123, 83.2027)
Luminance	0.3682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABEA #EA9051

analogous

#51EADD #51ABEA #515FEA

triadic

#51ABEA #EA51AB #ABEA51

tetradic

#51ABEA #DD51EA #EA9051 #5FEA51

square

#51ABEA #DD51EA #EA9051 #5FEA51

split-complementary

#51ABEA #EA515F #EADD51

monochromatic

#156EAC #1B90E2 #51ABEA #88C5F1 #BEE0F7

Accessibility & contrast

On white

2.51

#51ABEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#51ABEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABEA

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABEA	#FFFFFF	#000000	##000000
##51ABEA	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FACED

Deuteranopia (green-blind)

#7A9DE9

Tritanopia (blue-blind)

#00BBC1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51abea;
/* rgb */ color: rgb(81, 171, 234);
/* oklch */ color: oklch(71.3% 0.126 242.0);

Tailwind

colors: {
  custom: {
    50: '#91c3f1',
    500: '#51abea',
    950: '#000000',
  },
}

SCSS

$custom: #51abea;
$custom-light: #91c3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#51abea",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 234
  },
  "hsl": {
    "h": 204.706,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.71288,
    "c": 0.12602,
    "h": 242
  },
  "luminance": 0.36816
}

Semantic roles & 50–950 ramp

primary

#51ABEA

secondary

#E8C6AF

accent

#600BDB

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #51ABEA

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

Preview Lab → · Contrast checker → · Palette generator →