#399ABB#399ABB

#399ABB is a light, moderate cyan. Relative luminance 0.276; OKLCH L 64.4% C 0.101 H 224.5°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#399ABB
RGB	rgb(57, 154, 187)
HSL	hsl(195, 53%, 48%)
HSV	hsv(195, 70%, 73%)
CMYK	cmyk(69.5%, 17.6%, 0%, 26.7%)
CIE-LAB	lab(59.49, -17.45, -25.32)
CIE-LCH	lch(59.49, 30.74, 235.43°)
OKLab	oklab(64.36% -0.0722 -0.0708)
OKLCH	oklch(64.36% 0.101 224.5)
XYZ	xyz(22.2089, 27.5664, 51.1545)
Luminance	0.2757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399ABB #BB5A39

analogous

#39BB9B #399ABB #3959BB

triadic

#399ABB #BB399A #9ABB39

tetradic

#399ABB #9B39BB #BB5A39 #59BB39

square

#399ABB #9B39BB #BB5A39 #59BB39

split-complementary

#399ABB #BB3959 #BB9B39

monochromatic

#1C4D5D #2B738C #399ABB #62B3CF #91CADD

Accessibility & contrast

On white

3.22

#399ABB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#399ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ABB

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399ABB	#FFFFFF	#000000	##000000
##399ABB	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#768ABB

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399abb;
/* rgb */ color: rgb(57, 154, 187);
/* oklch */ color: oklch(64.4% 0.101 224.5);

Tailwind

colors: {
  custom: {
    50: '#80b7cf',
    500: '#399abb',
    950: '#000000',
  },
}

SCSS

$custom: #399abb;
$custom-light: #80b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#399abb",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 187
  },
  "hsl": {
    "h": 195.231,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64363,
    "c": 0.10108,
    "h": 224.5
  },
  "luminance": 0.27569
}

Semantic roles & 50–950 ramp

primary

#399ABB

secondary

#C89887

accent

#704BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #399ABB

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

Preview Lab → · Contrast checker → · Palette generator →