#31A4BB#31A4BB

#31A4BB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 66.6% C 0.104 H 214.2°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#31A4BB
RGB	rgb(49, 164, 187)
HSL	hsl(190, 58%, 46%)
HSV	hsv(190, 74%, 73%)
CMYK	cmyk(73.8%, 12.3%, 0%, 26.7%)
CIE-LAB	lab(62.33, -23.77, -20.99)
CIE-LCH	lch(62.33, 31.71, 221.44°)
OKLab	oklab(66.59% -0.086 -0.0585)
OKLCH	oklch(66.59% 0.104 214.2)
XYZ	xyz(23.5079, 30.7889, 51.7080)
Luminance	0.3079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A4BB #BB4831

analogous

#31BB8D #31A4BB #315FBB

triadic

#31A4BB #BB31A4 #A4BB31

tetradic

#31A4BB #8D31BB #BB4831 #5FBB31

square

#31A4BB #8D31BB #BB4831 #5FBB31

split-complementary

#31A4BB #BB315F #BB8D31

monochromatic

#184F5A #24798B #31A4BB #56BED3 #87D1E0

Accessibility & contrast

On white

2.93

#31A4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#31A4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A4BB

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A4BB	#FFFFFF	#000000	##000000
##31A4BB	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939FBC

Deuteranopia (green-blind)

#8091BB

Tritanopia (blue-blind)

#00ADAB

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #31a4bb;
/* rgb */ color: rgb(49, 164, 187);
/* oklch */ color: oklch(66.6% 0.104 214.2);

Tailwind

colors: {
  custom: {
    50: '#7ebfcf',
    500: '#31a4bb',
    950: '#000000',
  },
}

SCSS

$custom: #31a4bb;
$custom-light: #7ebfcf;
$custom-dark: #000000;

JSON

{
  "hex": "#31a4bb",
  "rgb": {
    "r": 49,
    "g": 164,
    "b": 187
  },
  "hsl": {
    "h": 190,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66585,
    "c": 0.10401,
    "h": 214.2
  },
  "luminance": 0.30792
}

Semantic roles & 50–950 ramp

primary

#31A4BB

secondary

#C98B7F

accent

#6046E2

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #31A4BB

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

Preview Lab → · Contrast checker → · Palette generator →