#398EC3#398EC3

#398EC3 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.9% C 0.114 H 239.8°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#398EC3
RGB	rgb(57, 142, 195)
HSL	hsl(203, 55%, 49%)
HSV	hsv(203, 71%, 76%)
CMYK	cmyk(70.8%, 27.2%, 0%, 23.5%)
CIE-LAB	lab(56.24, -8.12, -34.88)
CIE-LCH	lch(56.24, 35.82, 256.89°)
OKLab	oklab(61.88% -0.0572 -0.0984)
OKLCH	oklch(61.88% 0.114 239.8)
XYZ	xyz(21.2068, 24.1536, 55.1636)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EC3 #C36E39

analogous

#39C3B3 #398EC3 #3949C3

triadic

#398EC3 #C3398E #8EC339

tetradic

#398EC3 #B339C3 #C36E39 #49C339

square

#398EC3 #B339C3 #C36E39 #49C339

split-complementary

#398EC3 #C33949 #C3B339

monochromatic

#1D4964 #2B6C94 #398EC3 #67A9D2 #96C4E0

Accessibility & contrast

On white

3.60

#398EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#398EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EC3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EC3	#FFFFFF	#000000	##000000
##398EC3	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758EC5

Deuteranopia (green-blind)

#6281C2

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #398ec3;
/* rgb */ color: rgb(57, 142, 195);
/* oklch */ color: oklch(61.9% 0.114 239.8);

Tailwind

colors: {
  custom: {
    50: '#80aed5',
    500: '#398ec3',
    950: '#000000',
  },
}

SCSS

$custom: #398ec3;
$custom-light: #80aed5;
$custom-dark: #000000;

JSON

{
  "hex": "#398ec3",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 195
  },
  "hsl": {
    "h": 203.043,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.61882,
    "c": 0.11383,
    "h": 239.8
  },
  "luminance": 0.24156
}

Semantic roles & 50–950 ramp

primary

#398EC3

secondary

#CCA58C

accent

#834ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #398EC3

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

Preview Lab → · Contrast checker → · Palette generator →