#399ACB#399ACB

#399ACB is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.1% C 0.115 H 234.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#399ACB
RGB	rgb(57, 154, 203)
HSL	hsl(200, 58%, 51%)
HSV	hsv(200, 72%, 80%)
CMYK	cmyk(71.9%, 24.1%, 0%, 20.4%)
CIE-LAB	lab(60.15, -12.12, -33.30)
CIE-LCH	lch(60.15, 35.43, 249.99°)
OKLab	oklab(65.1% -0.0664 -0.0937)
OKLCH	oklch(65.1% 0.115 234.7)
XYZ	xyz(24.0182, 28.2901, 60.6830)
Luminance	0.2829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399ACB #CB6A39

analogous

#39CBB3 #399ACB #3951CB

triadic

#399ACB #CB399A #9ACB39

tetradic

#399ACB #B339CB #CB6A39 #51CB39

square

#399ACB #B339CB #CB6A39 #51CB39

split-complementary

#399ACB #CB3951 #CBB339

monochromatic

#1D526D #29769D #399ACB #69B3D8 #9ACBE4

Accessibility & contrast

On white

3.15

#399ACB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#399ACB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ACB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399ACB	#FFFFFF	#000000	##000000
##399ACB	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CD

Deuteranopia (green-blind)

#6E8BCA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #399acb;
/* rgb */ color: rgb(57, 154, 203);
/* oklch */ color: oklch(65.1% 0.115 234.7);

Tailwind

colors: {
  custom: {
    50: '#82b7db',
    500: '#399acb',
    950: '#000000',
  },
}

SCSS

$custom: #399acb;
$custom-light: #82b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#399acb",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 203
  },
  "hsl": {
    "h": 200.137,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.65102,
    "c": 0.11481,
    "h": 234.7
  },
  "luminance": 0.28293
}

Semantic roles & 50–950 ramp

primary

#399ACB

secondary

#D0A590

accent

#7A46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399ACB

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

Preview Lab → · Contrast checker → · Palette generator →