#399BCC#399BCC

#399BCC is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.4% C 0.115 H 234.5°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#399BCC
RGB	rgb(57, 155, 204)
HSL	hsl(200, 59%, 51%)
HSV	hsv(200, 72%, 80%)
CMYK	cmyk(72.1%, 24%, 0%, 20%)
CIE-LAB	lab(60.49, -12.34, -33.33)
CIE-LCH	lch(60.49, 35.54, 249.69°)
OKLab	oklab(65.39% -0.067 -0.0938)
OKLCH	oklch(65.39% 0.115 234.5)
XYZ	xyz(24.3034, 28.6694, 61.3679)
Luminance	0.2867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BCC #CC6A39

analogous

#39CCB3 #399BCC #3951CC

triadic

#399BCC #CC399B #9BCC39

tetradic

#399BCC #B339CC #CC6A39 #51CC39

square

#399BCC #B339CC #CC6A39 #51CC39

split-complementary

#399BCC #CC3951 #CCB339

monochromatic

#1C536E #29789F #399BCC #6AB4D9 #9ACCE5

Accessibility & contrast

On white

3.12

#399BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#399BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BCC

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BCC	#FFFFFF	#000000	##000000
##399BCC	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839ACE

Deuteranopia (green-blind)

#6F8CCB

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399bcc;
/* rgb */ color: rgb(57, 155, 204);
/* oklch */ color: oklch(65.4% 0.115 234.5);

Tailwind

colors: {
  custom: {
    50: '#82b8db',
    500: '#399bcc',
    950: '#000000',
  },
}

SCSS

$custom: #399bcc;
$custom-light: #82b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#399bcc",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 204
  },
  "hsl": {
    "h": 200,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65386,
    "c": 0.11526,
    "h": 234.5
  },
  "luminance": 0.28672
}

Semantic roles & 50–950 ramp

primary

#399BCC

secondary

#D1A690

accent

#7A46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399BCC

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

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