#398AD9#398AD9

#398AD9 is a light, vivid cyan. Relative luminance 0.241; OKLCH L 62.2% C 0.143 H 250.8°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#398AD9
RGB	rgb(57, 138, 217)
HSL	hsl(210, 68%, 54%)
HSV	hsv(210, 74%, 85%)
CMYK	cmyk(73.7%, 36.4%, 0%, 14.9%)
CIE-LAB	lab(56.14, 1.95, -47.45)
CIE-LCH	lch(56.14, 47.49, 272.35°)
OKLab	oklab(62.15% -0.047 -0.1351)
OKLCH	oklch(62.15% 0.143 250.8)
XYZ	xyz(23.2955, 24.0539, 69.0473)
Luminance	0.2406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398AD9 #D98839

analogous

#39D9D8 #398AD9 #393AD9

triadic

#398AD9 #D9398A #8AD939

tetradic

#398AD9 #D839D9 #D98839 #3AD939

square

#398AD9 #D839D9 #D98839 #3AD939

split-complementary

#398AD9 #D9393A #D9D839

monochromatic

#184C7F #226BB3 #398AD9 #6CA8E3 #A0C7ED

Accessibility & contrast

On white

3.61

#398AD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#398AD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398AD9

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398AD9	#FFFFFF	#000000	##000000
##398AD9	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668FDC

Deuteranopia (green-blind)

#4E80D7

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #398ad9;
/* rgb */ color: rgb(57, 138, 217);
/* oklch */ color: oklch(62.2% 0.143 250.8);

Tailwind

colors: {
  custom: {
    50: '#84abe5',
    500: '#398ad9',
    950: '#000000',
  },
}

SCSS

$custom: #398ad9;
$custom-light: #84abe5;
$custom-dark: #000000;

JSON

{
  "hex": "#398ad9",
  "rgb": {
    "r": 57,
    "g": 138,
    "b": 217
  },
  "hsl": {
    "h": 209.625,
    "s": 67.797,
    "l": 53.725
  },
  "oklch": {
    "l": 0.62153,
    "c": 0.14302,
    "h": 250.8
  },
  "luminance": 0.24057
}

Semantic roles & 50–950 ramp

primary

#398AD9

secondary

#D9B695

accent

#933DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #398AD9

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

Preview Lab → · Contrast checker → · Palette generator →