#399BAF#399BAF

#399BAF is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.094 H 213.8°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#399BAF
RGB	rgb(57, 155, 175)
HSL	hsl(190, 51%, 45%)
HSV	hsv(190, 67%, 69%)
CMYK	cmyk(67.4%, 11.4%, 0%, 31.4%)
CIE-LAB	lab(59.35, -21.82, -18.76)
CIE-LCH	lch(59.35, 28.77, 220.69°)
OKLab	oklab(64.1% -0.0779 -0.0522)
OKLCH	oklch(64.1% 0.094 213.8)
XYZ	xyz(21.1433, 27.4054, 44.7246)
Luminance	0.2741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BAF #AF4D39

analogous

#39AF88 #399BAF #3960AF

triadic

#399BAF #AF399B #9BAF39

tetradic

#399BAF #8839AF #AF4D39 #60AF39

square

#399BAF #8839AF #AF4D39 #60AF39

split-complementary

#399BAF #AF3960 #AF8839

monochromatic

#1B4953 #2A7281 #399BAF #5BB7CA #8ACBD9

Accessibility & contrast

On white

3.24

#399BAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#399BAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BAF

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BAF	#FFFFFF	#000000	##000000
##399BAF	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C96B0

Deuteranopia (green-blind)

#7B8AAF

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399baf;
/* rgb */ color: rgb(57, 155, 175);
/* oklch */ color: oklch(64.1% 0.094 213.8);

Tailwind

colors: {
  custom: {
    50: '#7eb8c6',
    500: '#399baf',
    950: '#000000',
  },
}

SCSS

$custom: #399baf;
$custom-light: #7eb8c6;
$custom-dark: #000000;

JSON

{
  "hex": "#399baf",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 175
  },
  "hsl": {
    "h": 190.169,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.64096,
    "c": 0.09379,
    "h": 213.8
  },
  "luminance": 0.27408
}

Semantic roles & 50–950 ramp

primary

#399BAF

secondary

#C38C81

accent

#654DDA

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399BAF

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

Preview Lab → · Contrast checker → · Palette generator →