#31A0B9#31A0B9

#31A0B9 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.5% C 0.103 H 216.3°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#31A0B9
RGB	rgb(49, 160, 185)
HSL	hsl(191, 58%, 46%)
HSV	hsv(191, 74%, 73%)
CMYK	cmyk(73.5%, 13.5%, 0%, 27.5%)
CIE-LAB	lab(61.04, -22.35, -21.83)
CIE-LCH	lch(61.04, 31.25, 224.33°)
OKLab	oklab(65.52% -0.0828 -0.0609)
OKLCH	oklch(65.52% 0.103 216.3)
XYZ	xyz(22.5907, 29.2947, 50.3534)
Luminance	0.2930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A0B9 #B94A31

analogous

#31B98E #31A0B9 #315CB9

triadic

#31A0B9 #B931A0 #A0B931

tetradic

#31A0B9 #8E31B9 #B94A31 #5CB931

square

#31A0B9 #8E31B9 #B94A31 #5CB931

split-complementary

#31A0B9 #B9315C #B98E31

monochromatic

#174C58 #247689 #31A0B9 #55BBD2 #86CEDF

Accessibility & contrast

On white

3.06

#31A0B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#31A0B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31A0B9

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A0B9	#FFFFFF	#000000	##000000
##31A0B9	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9BBA

Deuteranopia (green-blind)

#7C8DB9

Tritanopia (blue-blind)

#00A9A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #31a0b9;
/* rgb */ color: rgb(49, 160, 185);
/* oklch */ color: oklch(65.5% 0.103 216.3);

Tailwind

colors: {
  custom: {
    50: '#7dbcce',
    500: '#31a0b9',
    950: '#000000',
  },
}

SCSS

$custom: #31a0b9;
$custom-light: #7dbcce;
$custom-dark: #000000;

JSON

{
  "hex": "#31a0b9",
  "rgb": {
    "r": 49,
    "g": 160,
    "b": 185
  },
  "hsl": {
    "h": 191.029,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.65523,
    "c": 0.10281,
    "h": 216.3
  },
  "luminance": 0.29297
}

Semantic roles & 50–950 ramp

primary

#31A0B9

secondary

#C88B7D

accent

#6346E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #31A0B9

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

Preview Lab → · Contrast checker → · Palette generator →