#519CCB#519CCB

#519CCB is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.102 H 238.4°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#519CCB
RGB	rgb(81, 156, 203)
HSL	hsl(203, 54%, 56%)
HSV	hsv(203, 60%, 80%)
CMYK	cmyk(60.1%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(61.51, -9.29, -31.12)
CIE-LCH	lch(61.51, 32.48, 253.38°)
OKLab	oklab(66.4% -0.0535 -0.0872)
OKLCH	oklch(66.4% 0.102 238.4)
XYZ	xyz(26.0572, 29.8356, 60.8740)
Luminance	0.2984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519CCB #CB8051

analogous

#51CBBD #519CCB #515FCB

triadic

#519CCB #CB519C #9CCB51

tetradic

#519CCB #BD51CB #CB8051 #5FCB51

square

#519CCB #BD51CB #CB8051 #5FCB51

split-complementary

#519CCB #CB515F #CBBD51

monochromatic

#255B7C #337DAC #519CCB #80B7D9 #AFD2E7

Accessibility & contrast

On white

3.01

#519CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#519CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519CCB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519CCB	#FFFFFF	#000000	##000000
##519CCB	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869BCD

Deuteranopia (green-blind)

#768FCA

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #519ccb;
/* rgb */ color: rgb(81, 156, 203);
/* oklch */ color: oklch(66.4% 0.102 238.4);

Tailwind

colors: {
  custom: {
    50: '#8cb9db',
    500: '#519ccb',
    950: '#000000',
  },
}

SCSS

$custom: #519ccb;
$custom-light: #8cb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#519ccb",
  "rgb": {
    "r": 81,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 203.115,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66402,
    "c": 0.10232,
    "h": 238.4
  },
  "luminance": 0.29838
}

Semantic roles & 50–950 ramp

primary

#519CCB

secondary

#D5B6A3

accent

#834ADD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #519CCB

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

Preview Lab → · Contrast checker → · Palette generator →