#31A4D0#31A4D0

#31A4D0 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.5% C 0.118 H 228.6°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#31A4D0
RGB	rgb(49, 164, 208)
HSL	hsl(197, 63%, 50%)
HSV	hsv(197, 76%, 82%)
CMYK	cmyk(76.4%, 21.2%, 0%, 18.4%)
CIE-LAB	lab(63.14, -16.87, -31.46)
CIE-LCH	lch(63.14, 35.69, 241.80°)
OKLab	oklab(67.5% -0.0779 -0.0884)
OKLCH	oklch(67.5% 0.118 228.6)
XYZ	xyz(25.9226, 31.7548, 64.4253)
Luminance	0.3176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A4D0 #D05D31

analogous

#31D0AD #31A4D0 #3154D0

triadic

#31A4D0 #D031A4 #A4D031

tetradic

#31A4D0 #AD31D0 #D05D31 #54D031

square

#31A4D0 #AD31D0 #D05D31 #54D031

split-complementary

#31A4D0 #D03154 #D0AD31

monochromatic

#19566E #247D9F #31A4D0 #63BADB #95D0E7

Accessibility & contrast

On white

2.86

#31A4D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#31A4D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A4D0

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A4D0	#FFFFFF	#000000	##000000
##31A4D0	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA1D2

Deuteranopia (green-blind)

#7892CF

Tritanopia (blue-blind)

#00B0B3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #31a4d0;
/* rgb */ color: rgb(49, 164, 208);
/* oklch */ color: oklch(67.5% 0.118 228.6);

Tailwind

colors: {
  custom: {
    50: '#81bfde',
    500: '#31a4d0',
    950: '#000000',
  },
}

SCSS

$custom: #31a4d0;
$custom-light: #81bfde;
$custom-dark: #000000;

JSON

{
  "hex": "#31a4d0",
  "rgb": {
    "r": 49,
    "g": 164,
    "b": 208
  },
  "hsl": {
    "h": 196.604,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.67503,
    "c": 0.11785,
    "h": 228.6
  },
  "luminance": 0.31758
}

Semantic roles & 50–950 ramp

primary

#31A4D0

secondary

#D29F8B

accent

#6F42E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A4D0

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

Preview Lab → · Contrast checker → · Palette generator →