#399FBA#399FBA

#399FBA is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.5% C 0.100 H 218.9°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#399FBA
RGB	rgb(57, 159, 186)
HSL	hsl(193, 53%, 48%)
HSV	hsv(193, 69%, 73%)
CMYK	cmyk(69.4%, 14.5%, 0%, 27.1%)
CIE-LAB	lab(60.97, -20.42, -22.49)
CIE-LCH	lch(60.97, 30.38, 227.77°)
OKLab	oklab(65.53% -0.0776 -0.0627)
OKLCH	oklch(65.53% 0.1 218.9)
XYZ	xyz(22.9447, 29.2087, 50.8735)
Luminance	0.2921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399FBA #BA5439

analogous

#39BA94 #399FBA #395FBA

triadic

#399FBA #BA399F #9FBA39

tetradic

#399FBA #9439BA #BA5439 #5FBA39

square

#399FBA #9439BA #BA5439 #5FBA39

split-complementary

#399FBA #BA395F #BA9439

monochromatic

#1C4F5C #2B778B #399FBA #61B8CF #90CDDD

Accessibility & contrast

On white

3.07

#399FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#399FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FBA

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399FBA	#FFFFFF	#000000	##000000
##399FBA	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9BBB

Deuteranopia (green-blind)

#7C8DBA

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399fba;
/* rgb */ color: rgb(57, 159, 186);
/* oklch */ color: oklch(65.5% 0.100 218.9);

Tailwind

colors: {
  custom: {
    50: '#80bbce',
    500: '#399fba',
    950: '#000000',
  },
}

SCSS

$custom: #399fba;
$custom-light: #80bbce;
$custom-dark: #000000;

JSON

{
  "hex": "#399fba",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 186
  },
  "hsl": {
    "h": 192.558,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.65529,
    "c": 0.09983,
    "h": 218.9
  },
  "luminance": 0.29211
}

Semantic roles & 50–950 ramp

primary

#399FBA

secondary

#C89487

accent

#6A4BDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #399FBA

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

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