#51A1CA#51A1CA

#51A1CA is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.5% C 0.099 H 233.2°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#51A1CA
RGB	rgb(81, 161, 202)
HSL	hsl(200, 53%, 55%)
HSV	hsv(200, 60%, 79%)
CMYK	cmyk(59.9%, 20.3%, 0%, 20.8%)
CIE-LAB	lab(62.93, -12.36, -28.37)
CIE-LCH	lch(62.93, 30.95, 246.46°)
OKLab	oklab(67.51% -0.0593 -0.0793)
OKLCH	oklch(67.51% 0.099 233.2)
XYZ	xyz(26.7948, 31.5008, 60.5338)
Luminance	0.3150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A1CA #CA7A51

analogous

#51CAB7 #51A1CA #5164CA

triadic

#51A1CA #CA51A1 #A1CA51

tetradic

#51A1CA #B751CA #CA7A51 #64CA51

square

#51A1CA #B751CA #CA7A51 #64CA51

split-complementary

#51A1CA #CA5164 #CAB751

monochromatic

#255E7B #3482AA #51A1CA #80BAD8 #AFD4E7

Accessibility & contrast

On white

2.88

#51A1CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#51A1CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A1CA

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A1CA	#FFFFFF	#000000	##000000
##51A1CA	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9FCC

Deuteranopia (green-blind)

#7C93C9

Tritanopia (blue-blind)

#00ACAF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51a1ca;
/* rgb */ color: rgb(81, 161, 202);
/* oklch */ color: oklch(67.5% 0.099 233.2);

Tailwind

colors: {
  custom: {
    50: '#8cbcda',
    500: '#51a1ca',
    950: '#000000',
  },
}

SCSS

$custom: #51a1ca;
$custom-light: #8cbcda;
$custom-dark: #000000;

JSON

{
  "hex": "#51a1ca",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 202
  },
  "hsl": {
    "h": 200.331,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.67513,
    "c": 0.09902,
    "h": 233.2
  },
  "luminance": 0.31503
}

Semantic roles & 50–950 ramp

primary

#51A1CA

secondary

#D5B3A2

accent

#7C4BDD

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1214

muted

#7E8183

Preview Lab

Preview with #51A1CA

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

Preview Lab → · Contrast checker → · Palette generator →