#018FDC#018FDC

#018FDC is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.6% C 0.153 H 243.6°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#018FDC
RGB	rgb(1, 143, 220)
HSL	hsl(201, 99%, 43%)
HSV	hsv(201, 100%, 86%)
CMYK	cmyk(99.5%, 35%, 0%, 13.7%)
CIE-LAB	lab(56.90, -3.77, -47.98)
CIE-LCH	lch(56.90, 48.13, 265.51°)
OKLab	oklab(62.55% -0.0679 -0.1369)
OKLCH	oklch(62.55% 0.153 243.6)
XYZ	xyz(22.7481, 24.8156, 71.2872)
Luminance	0.2482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#018FDC #DC4E01

analogous

#01DCBB #018FDC #0121DC

triadic

#018FDC #DC018F #8FDC01

tetradic

#018FDC #BB01DC #DC4E01 #21DC01

square

#018FDC #BB01DC #DC4E01 #21DC01

split-complementary

#018FDC #DC0121 #DCBB01

monochromatic

#004062 #01679F #018FDC #1CAFFE #59C4FE

Accessibility & contrast

On white

3.52

#018FDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#018FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #018FDC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##018FDC	#FFFFFF	#000000	##000000
##018FDC	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6992DF

Deuteranopia (green-blind)

#4D81DB

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #018fdc;
/* rgb */ color: rgb(1, 143, 220);
/* oklch */ color: oklch(62.6% 0.153 243.6);

Tailwind

colors: {
  custom: {
    50: '#79afe7',
    500: '#018fdc',
    950: '#000000',
  },
}

SCSS

$custom: #018fdc;
$custom-light: #79afe7;
$custom-dark: #000000;

JSON

{
  "hex": "#018fdc",
  "rgb": {
    "r": 1,
    "g": 143,
    "b": 220
  },
  "hsl": {
    "h": 201.096,
    "s": 99.095,
    "l": 43.333
  },
  "oklch": {
    "l": 0.62551,
    "c": 0.15283,
    "h": 243.6
  },
  "luminance": 0.24819
}

Semantic roles & 50–950 ramp

primary

#018FDC

secondary

#E18858

accent

#7429FF

background

#F8FAFE

surface

#EFF4FC

border

#CACED5

text

#0B1016

muted

#7C7F84

Preview Lab

Preview with #018FDC

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

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