#398ED9#398ED9

#398ED9 is a light, vivid cyan. Relative luminance 0.252; OKLCH L 63.1% C 0.139 H 248.7°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#398ED9
RGB	rgb(57, 142, 217)
HSL	hsl(208, 68%, 54%)
HSV	hsv(208, 74%, 85%)
CMYK	cmyk(73.7%, 34.6%, 0%, 14.9%)
CIE-LAB	lab(57.29, -0.41, -45.62)
CIE-LCH	lch(57.29, 45.63, 269.48°)
OKLab	oklab(63.06% -0.0506 -0.1297)
OKLCH	oklch(63.06% 0.139 248.7)
XYZ	xyz(23.8800, 25.2229, 69.2421)
Luminance	0.2523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398ED9 #D98439

analogous

#39D9D4 #398ED9 #393ED9

triadic

#398ED9 #D9398E #8ED939

tetradic

#398ED9 #D439D9 #D98439 #3ED939

square

#398ED9 #D439D9 #D98439 #3ED939

split-complementary

#398ED9 #D9393E #D9D439

monochromatic

#184F7F #226FB3 #398ED9 #6CABE3 #A0C9ED

Accessibility & contrast

On white

3.47

#398ED9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#398ED9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398ED9

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398ED9	#FFFFFF	#000000	##000000
##398ED9	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C92DC

Deuteranopia (green-blind)

#5483D8

Tritanopia (blue-blind)

#00A0A9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #398ed9;
/* rgb */ color: rgb(57, 142, 217);
/* oklch */ color: oklch(63.1% 0.139 248.7);

Tailwind

colors: {
  custom: {
    50: '#84aee5',
    500: '#398ed9',
    950: '#000000',
  },
}

SCSS

$custom: #398ed9;
$custom-light: #84aee5;
$custom-dark: #000000;

JSON

{
  "hex": "#398ed9",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 217
  },
  "hsl": {
    "h": 208.125,
    "s": 67.797,
    "l": 53.725
  },
  "oklch": {
    "l": 0.63056,
    "c": 0.13922,
    "h": 248.7
  },
  "luminance": 0.25226
}

Semantic roles & 50–950 ramp

primary

#398ED9

secondary

#D9B595

accent

#8E3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #398ED9

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

Preview Lab → · Contrast checker → · Palette generator →