#398FDA#398FDA

#398FDA is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.140 H 248.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#398FDA
RGB	rgb(57, 143, 218)
HSL	hsl(208, 69%, 54%)
HSV	hsv(208, 74%, 85%)
CMYK	cmyk(73.9%, 34.4%, 0%, 14.5%)
CIE-LAB	lab(57.63, -0.64, -45.65)
CIE-LCH	lch(57.63, 45.65, 269.19°)
OKLab	oklab(63.34% -0.0513 -0.1297)
OKLCH	oklch(63.34% 0.14 248.4)
XYZ	xyz(24.1599, 25.5740, 69.9790)
Luminance	0.2558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398FDA #DA8439

analogous

#39DAD4 #398FDA #393FDA

triadic

#398FDA #DA398F #8FDA39

tetradic

#398FDA #D439DA #DA8439 #3FDA39

square

#398FDA #D439DA #DA8439 #3FDA39

split-complementary

#398FDA #DA393F #DAD439

monochromatic

#185081 #2270B4 #398FDA #6DACE4 #A0C9ED

Accessibility & contrast

On white

3.43

#398FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#398FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398FDA

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398FDA	#FFFFFF	#000000	##000000
##398FDA	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DD

Deuteranopia (green-blind)

#5584D9

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #398fda;
/* rgb */ color: rgb(57, 143, 218);
/* oklch */ color: oklch(63.3% 0.140 248.4);

Tailwind

colors: {
  custom: {
    50: '#84afe6',
    500: '#398fda',
    950: '#000000',
  },
}

SCSS

$custom: #398fda;
$custom-light: #84afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#398fda",
  "rgb": {
    "r": 57,
    "g": 143,
    "b": 218
  },
  "hsl": {
    "h": 207.95,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.63338,
    "c": 0.13951,
    "h": 248.4
  },
  "luminance": 0.25577
}

Semantic roles & 50–950 ramp

primary

#398FDA

secondary

#DAB595

accent

#8E3CEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #398FDA

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

Preview Lab → · Contrast checker → · Palette generator →