#51A2D0#51A2D0

#51A2D0 is a light, moderate cyan. Relative luminance 0.321; OKLCH L 68.0% C 0.104 H 236.0°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#51A2D0
RGB	rgb(81, 162, 208)
HSL	hsl(202, 57%, 57%)
HSV	hsv(202, 61%, 82%)
CMYK	cmyk(61.1%, 22.1%, 0%, 18.4%)
CIE-LAB	lab(63.46, -11.02, -30.89)
CIE-LCH	lch(63.46, 32.80, 250.37°)
OKLab	oklab(68.01% -0.0583 -0.0865)
OKLCH	oklch(68.01% 0.104 236)
XYZ	xyz(27.6945, 32.1414, 64.4067)
Luminance	0.3214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A2D0 #D07F51

analogous

#51D0BE #51A2D0 #5163D0

triadic

#51A2D0 #D051A2 #A2D051

tetradic

#51A2D0 #BE51D0 #D07F51 #63D051

square

#51A2D0 #BE51D0 #D07F51 #63D051

split-complementary

#51A2D0 #D05163 #D0BE51

monochromatic

#236083 #3084B3 #51A2D0 #81BCDD #B1D6EA

Accessibility & contrast

On white

2.83

#51A2D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#51A2D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2D0

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A2D0	#FFFFFF	#000000	##000000
##51A2D0	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA1D2

Deuteranopia (green-blind)

#7B94CF

Tritanopia (blue-blind)

#00AEB1

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51a2d0;
/* rgb */ color: rgb(81, 162, 208);
/* oklch */ color: oklch(68.0% 0.104 236.0);

Tailwind

colors: {
  custom: {
    50: '#8dbdde',
    500: '#51a2d0',
    950: '#000000',
  },
}

SCSS

$custom: #51a2d0;
$custom-light: #8dbdde;
$custom-dark: #000000;

JSON

{
  "hex": "#51a2d0",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 208
  },
  "hsl": {
    "h": 201.732,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.68014,
    "c": 0.10431,
    "h": 236
  },
  "luminance": 0.32144
}

Semantic roles & 50–950 ramp

primary

#51A2D0

secondary

#D8B7A4

accent

#7F47E1

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51A2D0

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

Preview Lab → · Contrast checker → · Palette generator →