#398DB4#398DB4

#398DB4 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.9% C 0.099 H 231.8°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#398DB4
RGB	rgb(57, 141, 180)
HSL	hsl(199, 52%, 46%)
HSV	hsv(199, 68%, 71%)
CMYK	cmyk(68.3%, 21.7%, 0%, 29.4%)
CIE-LAB	lab(55.29, -12.66, -27.83)
CIE-LCH	lch(55.29, 30.58, 245.54°)
OKLab	oklab(60.91% -0.0614 -0.0781)
OKLCH	oklch(60.91% 0.099 231.8)
XYZ	xyz(19.4472, 23.2128, 46.6268)
Luminance	0.2321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DB4 #B46039

analogous

#39B49E #398DB4 #3950B4

triadic

#398DB4 #B4398D #8DB439

tetradic

#398DB4 #9E39B4 #B46039 #50B439

square

#398DB4 #9E39B4 #B46039 #50B439

split-complementary

#398DB4 #B43950 #B49E39

monochromatic

#1C4457 #2A6986 #398DB4 #5EA9CC #8DC2DB

Accessibility & contrast

On white

3.72

#398DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#398DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DB4

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DB4	#FFFFFF	#000000	##000000
##398DB4	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB6

Deuteranopia (green-blind)

#697FB3

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398db4;
/* rgb */ color: rgb(57, 141, 180);
/* oklch */ color: oklch(60.9% 0.099 231.8);

Tailwind

colors: {
  custom: {
    50: '#7eaeca',
    500: '#398db4',
    950: '#000000',
  },
}

SCSS

$custom: #398db4;
$custom-light: #7eaeca;
$custom-dark: #000000;

JSON

{
  "hex": "#398db4",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 180
  },
  "hsl": {
    "h": 199.024,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.60912,
    "c": 0.09929,
    "h": 231.8
  },
  "luminance": 0.23215
}

Semantic roles & 50–950 ramp

primary

#398DB4

secondary

#C59883

accent

#7A4CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398DB4

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

Preview Lab → · Contrast checker → · Palette generator →