#51A0CA#51A0CA

#51A0CA is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.3% C 0.099 H 234.1°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#51A0CA
RGB	rgb(81, 160, 202)
HSL	hsl(201, 53%, 55%)
HSV	hsv(201, 60%, 79%)
CMYK	cmyk(59.9%, 20.8%, 0%, 20.8%)
CIE-LAB	lab(62.64, -11.81, -28.82)
CIE-LCH	lch(62.64, 31.15, 247.71°)
OKLab	oklab(67.28% -0.0582 -0.0806)
OKLCH	oklch(67.28% 0.099 234.1)
XYZ	xyz(26.6207, 31.1527, 60.4758)
Luminance	0.3115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A0CA #CA7B51

analogous

#51CAB7 #51A0CA #5164CA

triadic

#51A0CA #CA51A0 #A0CA51

tetradic

#51A0CA #B751CA #CA7B51 #64CA51

square

#51A0CA #B751CA #CA7B51 #64CA51

split-complementary

#51A0CA #CA5164 #CAB751

monochromatic

#255D7B #3481AA #51A0CA #80BAD8 #AFD3E7

Accessibility & contrast

On white

2.90

#51A0CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#51A0CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0CA

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A0CA	#FFFFFF	#000000	##000000
##51A0CA	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9FCC

Deuteranopia (green-blind)

#7B92C9

Tritanopia (blue-blind)

#00ABAE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51a0ca;
/* rgb */ color: rgb(81, 160, 202);
/* oklch */ color: oklch(67.3% 0.099 234.1);

Tailwind

colors: {
  custom: {
    50: '#8cbcda',
    500: '#51a0ca',
    950: '#000000',
  },
}

SCSS

$custom: #51a0ca;
$custom-light: #8cbcda;
$custom-dark: #000000;

JSON

{
  "hex": "#51a0ca",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 202
  },
  "hsl": {
    "h": 200.826,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.67281,
    "c": 0.09942,
    "h": 234.1
  },
  "luminance": 0.31155
}

Semantic roles & 50–950 ramp

primary

#51A0CA

secondary

#D5B4A2

accent

#7E4BDD

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1214

muted

#7E8183

Preview Lab

Preview with #51A0CA

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

Preview Lab → · Contrast checker → · Palette generator →