#51A3CC#51A3CC

#51A3CC is a light, moderate cyan. Relative luminance 0.323; OKLCH L 68.1% C 0.100 H 232.6°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#51A3CC
RGB	rgb(81, 163, 204)
HSL	hsl(200, 55%, 56%)
HSV	hsv(200, 60%, 80%)
CMYK	cmyk(60.3%, 20.1%, 0%, 20%)
CIE-LAB	lab(63.59, -12.82, -28.46)
CIE-LCH	lch(63.59, 31.22, 245.75°)
OKLab	oklab(68.07% -0.0608 -0.0795)
OKLCH	oklch(68.07% 0.1 232.6)
XYZ	xyz(27.3854, 32.3007, 61.9065)
Luminance	0.3230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A3CC #CC7A51

analogous

#51CCB7 #51A3CC #5165CC

triadic

#51A3CC #CC51A3 #A3CC51

tetradic

#51A3CC #B751CC #CC7A51 #65CC51

square

#51A3CC #B751CC #CC7A51 #65CC51

split-complementary

#51A3CC #CC5165 #CCB751

monochromatic

#25607E #3384AD #51A3CC #80BCDA #B0D5E8

Accessibility & contrast

On white

2.81

#51A3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#51A3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A3CC

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A3CC	#FFFFFF	#000000	##000000
##51A3CC	1.00	2.81	7.46	7.46
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA1CE

Deuteranopia (green-blind)

#7E94CB

Tritanopia (blue-blind)

#00AEB1

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51a3cc;
/* rgb */ color: rgb(81, 163, 204);
/* oklch */ color: oklch(68.1% 0.100 232.6);

Tailwind

colors: {
  custom: {
    50: '#8dbedb',
    500: '#51a3cc',
    950: '#000000',
  },
}

SCSS

$custom: #51a3cc;
$custom-light: #8dbedb;
$custom-dark: #000000;

JSON

{
  "hex": "#51a3cc",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 204
  },
  "hsl": {
    "h": 200,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.68066,
    "c": 0.1001,
    "h": 232.6
  },
  "luminance": 0.32303
}

Semantic roles & 50–950 ramp

primary

#51A3CC

secondary

#D6B4A3

accent

#7B4ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A3CC

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

Preview Lab → · Contrast checker → · Palette generator →