#398AC9#398AC9

#398AC9 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.3% C 0.124 H 245.4°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#398AC9
RGB	rgb(57, 138, 201)
HSL	hsl(206, 57%, 51%)
HSV	hsv(206, 72%, 79%)
CMYK	cmyk(71.6%, 31.3%, 0%, 21.2%)
CIE-LAB	lab(55.34, -3.73, -39.69)
CIE-LCH	lch(55.34, 39.87, 264.63°)
OKLab	oklab(61.26% -0.0514 -0.1124)
OKLCH	oklch(61.26% 0.124 245.4)
XYZ	xyz(21.3144, 23.2615, 58.6136)
Luminance	0.2326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398AC9 #C97839

analogous

#39C9C0 #398AC9 #3942C9

triadic

#398AC9 #C9398A #8AC939

tetradic

#398AC9 #C039C9 #C97839 #42C939

square

#398AC9 #C039C9 #C97839 #42C939

split-complementary

#398AC9 #C93942 #C9C039

monochromatic

#1D496B #2A699B #398AC9 #69A6D6 #99C3E3

Accessibility & contrast

On white

3.71

#398AC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#398AC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398AC9

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398AC9	#FFFFFF	#000000	##000000
##398AC9	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8CCC

Deuteranopia (green-blind)

#597EC8

Tritanopia (blue-blind)

#0099A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398ac9;
/* rgb */ color: rgb(57, 138, 201);
/* oklch */ color: oklch(61.3% 0.124 245.4);

Tailwind

colors: {
  custom: {
    50: '#81abd9',
    500: '#398ac9',
    950: '#000000',
  },
}

SCSS

$custom: #398ac9;
$custom-light: #81abd9;
$custom-dark: #000000;

JSON

{
  "hex": "#398ac9",
  "rgb": {
    "r": 57,
    "g": 138,
    "b": 201
  },
  "hsl": {
    "h": 206.25,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.61261,
    "c": 0.12363,
    "h": 245.4
  },
  "luminance": 0.23264
}

Semantic roles & 50–950 ramp

primary

#398AC9

secondary

#CFAB8F

accent

#8A47E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #398AC9

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

Preview Lab → · Contrast checker → · Palette generator →