#398FC9#398FC9

#398FC9 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.120 H 242.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#398FC9
RGB	rgb(57, 143, 201)
HSL	hsl(204, 57%, 51%)
HSV	hsv(204, 72%, 79%)
CMYK	cmyk(71.6%, 28.9%, 0%, 21.2%)
CIE-LAB	lab(56.81, -6.62, -37.39)
CIE-LCH	lch(56.81, 37.97, 259.96°)
OKLab	oklab(62.42% -0.0563 -0.1056)
OKLCH	oklch(62.42% 0.12 242)
XYZ	xyz(22.0483, 24.7293, 58.8583)
Luminance	0.2473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398FC9 #C97339

analogous

#39C9BB #398FC9 #3947C9

triadic

#398FC9 #C9398F #8FC939

tetradic

#398FC9 #BB39C9 #C97339 #47C939

square

#398FC9 #BB39C9 #C97339 #47C939

split-complementary

#398FC9 #C93947 #C9BB39

monochromatic

#1D4B6B #2A6D9B #398FC9 #69AAD6 #99C5E3

Accessibility & contrast

On white

3.53

#398FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#398FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398FC9

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398FC9	#FFFFFF	#000000	##000000
##398FC9	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7490CC

Deuteranopia (green-blind)

#6182C8

Tritanopia (blue-blind)

#009DA3

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #398fc9;
/* rgb */ color: rgb(57, 143, 201);
/* oklch */ color: oklch(62.4% 0.120 242.0);

Tailwind

colors: {
  custom: {
    50: '#81afd9',
    500: '#398fc9',
    950: '#000000',
  },
}

SCSS

$custom: #398fc9;
$custom-light: #81afd9;
$custom-dark: #000000;

JSON

{
  "hex": "#398fc9",
  "rgb": {
    "r": 57,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 204.167,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.62423,
    "c": 0.1197,
    "h": 242
  },
  "luminance": 0.24732
}

Semantic roles & 50–950 ramp

primary

#398FC9

secondary

#CFA98F

accent

#8547E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #398FC9

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

Preview Lab → · Contrast checker → · Palette generator →