#37ABDA#37ABDA

#37ABDA is a light, vivid cyan. Relative luminance 0.350; OKLCH L 69.8% C 0.121 H 229.7°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#37ABDA
RGB	rgb(55, 171, 218)
HSL	hsl(197, 69%, 54%)
HSV	hsv(197, 75%, 85%)
CMYK	cmyk(74.8%, 21.6%, 0%, 14.5%)
CIE-LAB	lab(65.75, -16.57, -32.94)
CIE-LCH	lch(65.75, 36.87, 243.30°)
OKLab	oklab(69.76% -0.0784 -0.0926)
OKLCH	oklch(69.76% 0.121 229.7)
XYZ	xyz(28.7882, 34.9966, 71.5538)
Luminance	0.3500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABDA #DA6637

analogous

#37DAB8 #37ABDA #3759DA

triadic

#37ABDA #DA37AB #ABDA37

tetradic

#37ABDA #B837DA #DA6637 #59DA37

square

#37ABDA #B837DA #DA6637 #59DA37

split-complementary

#37ABDA #DA3759 #DAB837

monochromatic

#18617F #2189B3 #37ABDA #6BC1E4 #9ED6ED

Accessibility & contrast

On white

2.63

#37ABDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#37ABDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABDA

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABDA	#FFFFFF	#000000	##000000
##37ABDA	1.00	2.63	8.00	8.00
#FFFFFF	2.63	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A8DC

Deuteranopia (green-blind)

#7D99D9

Tritanopia (blue-blind)

#00B8BB

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #37abda;
/* rgb */ color: rgb(55, 171, 218);
/* oklch */ color: oklch(69.8% 0.121 229.7);

Tailwind

colors: {
  custom: {
    50: '#84c4e5',
    500: '#37abda',
    950: '#000000',
  },
}

SCSS

$custom: #37abda;
$custom-light: #84c4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#37abda",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 218
  },
  "hsl": {
    "h": 197.301,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.69758,
    "c": 0.12133,
    "h": 229.7
  },
  "luminance": 0.35
}

Semantic roles & 50–950 ramp

primary

#37ABDA

secondary

#D9A893

accent

#6F3CEC

background

#F8FCFE

surface

#F0F8FC

border

#CBD1D5

text

#0D1215

muted

#7D8184

Preview Lab

Preview with #37ABDA

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

Preview Lab → · Contrast checker → · Palette generator →