#31A5D3#31A5D3

#31A5D3 is a light, moderate cyan. Relative luminance 0.323; OKLCH L 67.9% C 0.120 H 229.6°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#31A5D3
RGB	rgb(49, 165, 211)
HSL	hsl(197, 65%, 51%)
HSV	hsv(197, 77%, 83%)
CMYK	cmyk(76.8%, 21.8%, 0%, 17.3%)
CIE-LAB	lab(63.56, -16.39, -32.47)
CIE-LCH	lch(63.56, 36.37, 243.22°)
OKLab	oklab(67.88% -0.0778 -0.0913)
OKLCH	oklch(67.88% 0.12 229.6)
XYZ	xyz(26.4748, 32.2632, 66.4475)
Luminance	0.3227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A5D3 #D35F31

analogous

#31D3B0 #31A5D3 #3154D3

triadic

#31A5D3 #D331A5 #A5D331

tetradic

#31A5D3 #B031D3 #D35F31 #54D331

square

#31A5D3 #B031D3 #D35F31 #54D331

split-complementary

#31A5D3 #D33154 #D3B031

monochromatic

#185871 #237FA4 #31A5D3 #63BBDE #96D1E9

Accessibility & contrast

On white

2.82

#31A5D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#31A5D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A5D3

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A5D3	#FFFFFF	#000000	##000000
##31A5D3	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA3D5

Deuteranopia (green-blind)

#7893D2

Tritanopia (blue-blind)

#00B2B4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31a5d3;
/* rgb */ color: rgb(49, 165, 211);
/* oklch */ color: oklch(67.9% 0.120 229.6);

Tailwind

colors: {
  custom: {
    50: '#81bfe0',
    500: '#31a5d3',
    950: '#000000',
  },
}

SCSS

$custom: #31a5d3;
$custom-light: #81bfe0;
$custom-dark: #000000;

JSON

{
  "hex": "#31a5d3",
  "rgb": {
    "r": 49,
    "g": 165,
    "b": 211
  },
  "hsl": {
    "h": 197.037,
    "s": 64.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.6788,
    "c": 0.11997,
    "h": 229.6
  },
  "luminance": 0.32266
}

Semantic roles & 50–950 ramp

primary

#31A5D3

secondary

#D4A08C

accent

#7040E8

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A5D3

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

Preview Lab → · Contrast checker → · Palette generator →