#37AFDA#37AFDA

#37AFDA is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.7% C 0.120 H 226.7°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#37AFDA
RGB	rgb(55, 175, 218)
HSL	hsl(196, 69%, 54%)
HSV	hsv(196, 75%, 85%)
CMYK	cmyk(74.8%, 19.7%, 0%, 14.5%)
CIE-LAB	lab(66.92, -18.69, -31.12)
CIE-LCH	lch(66.92, 36.30, 239.01°)
OKLab	oklab(70.7% -0.0822 -0.0873)
OKLCH	oklch(70.7% 0.12 226.7)
XYZ	xyz(29.5552, 36.5306, 71.8095)
Luminance	0.3653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AFDA #DA6237

analogous

#37DAB3 #37AFDA #375DDA

triadic

#37AFDA #DA37AF #AFDA37

tetradic

#37AFDA #B337DA #DA6237 #5DDA37

square

#37AFDA #B337DA #DA6237 #5DDA37

split-complementary

#37AFDA #DA375D #DAB337

monochromatic

#18647F #218CB3 #37AFDA #6BC4E4 #9ED8ED

Accessibility & contrast

On white

2.53

#37AFDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#37AFDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AFDA

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AFDA	#FFFFFF	#000000	##000000
##37AFDA	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98ACDC

Deuteranopia (green-blind)

#829CD9

Tritanopia (blue-blind)

#00BBBD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37afda;
/* rgb */ color: rgb(55, 175, 218);
/* oklch */ color: oklch(70.7% 0.120 226.7);

Tailwind

colors: {
  custom: {
    50: '#85c7e5',
    500: '#37afda',
    950: '#000000',
  },
}

SCSS

$custom: #37afda;
$custom-light: #85c7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#37afda",
  "rgb": {
    "r": 55,
    "g": 175,
    "b": 218
  },
  "hsl": {
    "h": 195.828,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.707,
    "c": 0.11994,
    "h": 226.7
  },
  "luminance": 0.36534
}

Semantic roles & 50–950 ramp

primary

#37AFDA

secondary

#D9A693

accent

#6A3CEC

background

#F8FCFE

surface

#F0F8FC

border

#CBD1D5

text

#0D1315

muted

#7D8284

Preview Lab

Preview with #37AFDA

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

Preview Lab → · Contrast checker → · Palette generator →