#399BBE#399BBE

#399BBE is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.7% C 0.103 H 225.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#399BBE
RGB	rgb(57, 155, 190)
HSL	hsl(196, 54%, 48%)
HSV	hsv(196, 70%, 75%)
CMYK	cmyk(70%, 18.4%, 0%, 25.5%)
CIE-LAB	lab(59.91, -17.00, -26.36)
CIE-LCH	lch(59.91, 31.37, 237.18°)
OKLab	oklab(64.74% -0.072 -0.0738)
OKLCH	oklch(64.74% 0.103 225.7)
XYZ	xyz(22.6992, 28.0277, 52.9188)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BBE #BE5C39

analogous

#39BE9E #399BBE #3959BE

triadic

#399BBE #BE399B #9BBE39

tetradic

#399BBE #9E39BE #BE5C39 #59BE39

square

#399BBE #9E39BE #BE5C39 #59BE39

split-complementary

#399BBE #BE3959 #BE9E39

monochromatic

#1D4E60 #2B758F #399BBE #64B4D0 #93CBDF

Accessibility & contrast

On white

3.18

#399BBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#399BBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BBE

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BBE	#FFFFFF	#000000	##000000
##399BBE	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8898C0

Deuteranopia (green-blind)

#768BBE

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399bbe;
/* rgb */ color: rgb(57, 155, 190);
/* oklch */ color: oklch(64.7% 0.103 225.7);

Tailwind

colors: {
  custom: {
    50: '#80b8d1',
    500: '#399bbe',
    950: '#000000',
  },
}

SCSS

$custom: #399bbe;
$custom-light: #80b8d1;
$custom-dark: #000000;

JSON

{
  "hex": "#399bbe",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 190
  },
  "hsl": {
    "h": 195.789,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64737,
    "c": 0.1031,
    "h": 225.7
  },
  "luminance": 0.2803
}

Semantic roles & 50–950 ramp

primary

#399BBE

secondary

#CA9A89

accent

#714BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #399BBE

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

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