#338ECC#338ECC

#338ECC is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.2% C 0.126 H 242.8°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#338ECC
RGB	rgb(51, 142, 204)
HSL	hsl(204, 60%, 50%)
HSV	hsv(204, 75%, 80%)
CMYK	cmyk(75%, 30.4%, 0%, 20%)
CIE-LAB	lab(56.49, -5.79, -39.59)
CIE-LCH	lch(56.49, 40.01, 261.69°)
OKLab	oklab(62.17% -0.0576 -0.1121)
OKLCH	oklch(62.17% 0.126 242.8)
XYZ	xyz(21.9331, 24.4069, 60.6701)
Luminance	0.2441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338ECC #CC7133

analogous

#33CCBE #338ECC #3341CC

triadic

#338ECC #CC338E #8ECC33

tetradic

#338ECC #BE33CC #CC7133 #41CC33

square

#338ECC #BE33CC #CC7133 #41CC33

split-complementary

#338ECC #CC3341 #CCBE33

monochromatic

#1B4A6A #276C9B #338ECC #64A9D8 #95C4E4

Accessibility & contrast

On white

3.57

#338ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#338ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338ECC

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338ECC	#FFFFFF	#000000	##000000
##338ECC	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCF

Deuteranopia (green-blind)

#5C81CB

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #338ecc;
/* rgb */ color: rgb(51, 142, 204);
/* oklch */ color: oklch(62.2% 0.126 242.8);

Tailwind

colors: {
  custom: {
    50: '#7faedc',
    500: '#338ecc',
    950: '#000000',
  },
}

SCSS

$custom: #338ecc;
$custom-light: #7faedc;
$custom-dark: #000000;

JSON

{
  "hex": "#338ecc",
  "rgb": {
    "r": 51,
    "g": 142,
    "b": 204
  },
  "hsl": {
    "h": 204.314,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.62171,
    "c": 0.12607,
    "h": 242.8
  },
  "luminance": 0.24409
}

Semantic roles & 50–950 ramp

primary

#338ECC

secondary

#D0A78B

accent

#8545E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #338ECC

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

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