#399BBA#399BBA

#399BBA is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.6% C 0.100 H 222.8°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#399BBA
RGB	rgb(57, 155, 186)
HSL	hsl(194, 53%, 48%)
HSV	hsv(194, 69%, 73%)
CMYK	cmyk(69.4%, 16.7%, 0%, 27.1%)
CIE-LAB	lab(59.76, -18.31, -24.35)
CIE-LCH	lch(59.76, 30.46, 233.06°)
OKLab	oklab(64.56% -0.0735 -0.068)
OKLCH	oklch(64.56% 0.1 222.8)
XYZ	xyz(22.2680, 27.8552, 50.6479)
Luminance	0.2786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BBA #BA5839

analogous

#39BA99 #399BBA #395ABA

triadic

#399BBA #BA399B #9BBA39

tetradic

#399BBA #9939BA #BA5839 #5ABA39

square

#399BBA #9939BA #BA5839 #5ABA39

split-complementary

#399BBA #BA395A #BA9939

monochromatic

#1C4D5C #2B748B #399BBA #61B4CF #90CBDD

Accessibility & contrast

On white

3.20

#399BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#399BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BBA

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BBA	#FFFFFF	#000000	##000000
##399BBA	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8997BC

Deuteranopia (green-blind)

#778ABA

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399bba;
/* rgb */ color: rgb(57, 155, 186);
/* oklch */ color: oklch(64.6% 0.100 222.8);

Tailwind

colors: {
  custom: {
    50: '#7fb8ce',
    500: '#399bba',
    950: '#000000',
  },
}

SCSS

$custom: #399bba;
$custom-light: #7fb8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#399bba",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 186
  },
  "hsl": {
    "h": 194.419,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64561,
    "c": 0.10018,
    "h": 222.8
  },
  "luminance": 0.27858
}

Semantic roles & 50–950 ramp

primary

#399BBA

secondary

#C89687

accent

#6E4BDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399BBA

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

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