#398DC4#398DC4

#398DC4 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.7% C 0.116 H 241.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#398DC4
RGB	rgb(57, 141, 196)
HSL	hsl(204, 55%, 50%)
HSV	hsv(204, 71%, 77%)
CMYK	cmyk(70.9%, 28.1%, 0%, 23.1%)
CIE-LAB	lab(55.99, -7.21, -35.84)
CIE-LCH	lch(55.99, 36.56, 258.63°)
OKLab	oklab(61.7% -0.0559 -0.1012)
OKLCH	oklch(61.7% 0.116 241.1)
XYZ	xyz(21.1722, 23.9028, 55.7117)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DC4 #C47039

analogous

#39C4B6 #398DC4 #3947C4

triadic

#398DC4 #C4398D #8DC439

tetradic

#398DC4 #B639C4 #C47039 #47C439

square

#398DC4 #B639C4 #C47039 #47C439

split-complementary

#398DC4 #C43947 #C4B639

monochromatic

#1D4965 #2B6B95 #398DC4 #67A8D3 #97C3E1

Accessibility & contrast

On white

3.63

#398DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#398DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DC4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DC4	#FFFFFF	#000000	##000000
##398DC4	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748EC6

Deuteranopia (green-blind)

#6180C3

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398dc4;
/* rgb */ color: rgb(57, 141, 196);
/* oklch */ color: oklch(61.7% 0.116 241.1);

Tailwind

colors: {
  custom: {
    50: '#80aed6',
    500: '#398dc4',
    950: '#000000',
  },
}

SCSS

$custom: #398dc4;
$custom-light: #80aed6;
$custom-dark: #000000;

JSON

{
  "hex": "#398dc4",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 196
  },
  "hsl": {
    "h": 203.741,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61698,
    "c": 0.11561,
    "h": 241.1
  },
  "luminance": 0.23905
}

Semantic roles & 50–950 ramp

primary

#398DC4

secondary

#CCA68D

accent

#844ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #398DC4

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

Preview Lab → · Contrast checker → · Palette generator →