#51A2CC#51A2CC

#51A2CC is a light, moderate cyan. Relative luminance 0.320; OKLCH L 67.8% C 0.100 H 233.6°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#51A2CC
RGB	rgb(81, 162, 204)
HSL	hsl(200, 55%, 56%)
HSV	hsv(200, 60%, 80%)
CMYK	cmyk(60.3%, 20.6%, 0%, 20%)
CIE-LAB	lab(63.30, -12.28, -28.91)
CIE-LCH	lch(63.30, 31.41, 246.99°)
OKLab	oklab(67.83% -0.0597 -0.0808)
OKLCH	oklch(67.83% 0.1 233.6)
XYZ	xyz(27.2086, 31.9470, 61.8475)
Luminance	0.3195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2CC #CC7B51

analogous

#51CCB9 #51A2CC #5164CC

triadic

#51A2CC #CC51A2 #A2CC51

tetradic

#51A2CC #B951CC #CC7B51 #64CC51

square

#51A2CC #B951CC #CC7B51 #64CC51

split-complementary

#51A2CC #CC5164 #CCB951

monochromatic

#255F7E #3383AD #51A2CC #80BBDA #B0D5E8

Accessibility & contrast

On white

2.84

#51A2CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#51A2CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2CC

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2CC	#FFFFFF	#000000	##000000
##51A2CC	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CE

Deuteranopia (green-blind)

#7D94CB

Tritanopia (blue-blind)

#00ADB0

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51a2cc;
/* rgb */ color: rgb(81, 162, 204);
/* oklch */ color: oklch(67.8% 0.100 233.6);

Tailwind

colors: {
  custom: {
    50: '#8cbddb',
    500: '#51a2cc',
    950: '#000000',
  },
}

SCSS

$custom: #51a2cc;
$custom-light: #8cbddb;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2cc",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 204
  },
  "hsl": {
    "h": 200.488,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.67834,
    "c": 0.10049,
    "h": 233.6
  },
  "luminance": 0.3195
}

Semantic roles & 50–950 ramp

primary

#51A2CC

secondary

#D6B4A3

accent

#7C4ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A2CC

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

Preview Lab → · Contrast checker → · Palette generator →