#398EB2#398EB2

#398EB2 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.1% C 0.097 H 229.5°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#398EB2
RGB	rgb(57, 142, 178)
HSL	hsl(198, 51%, 46%)
HSV	hsv(198, 68%, 70%)
CMYK	cmyk(68%, 20.2%, 0%, 30.2%)
CIE-LAB	lab(55.51, -13.88, -26.35)
CIE-LCH	lch(55.51, 29.78, 242.22°)
OKLab	oklab(61.06% -0.0631 -0.0738)
OKLCH	oklch(61.06% 0.097 229.5)
XYZ	xyz(19.3930, 23.4281, 45.6109)
Luminance	0.2343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EB2 #B25D39

analogous

#39B299 #398EB2 #3951B2

triadic

#398EB2 #B2398E #8EB239

tetradic

#398EB2 #9939B2 #B25D39 #51B239

square

#398EB2 #9939B2 #B25D39 #51B239

split-complementary

#398EB2 #B23951 #B29939

monochromatic

#1B4455 #2A6984 #398EB2 #5DAACB #8BC3DA

Accessibility & contrast

On white

3.69

#398EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#398EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EB2

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EB2	#FFFFFF	#000000	##000000
##398EB2	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB4

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #398eb2;
/* rgb */ color: rgb(57, 142, 178);
/* oklch */ color: oklch(61.1% 0.097 229.5);

Tailwind

colors: {
  custom: {
    50: '#7eafc9',
    500: '#398eb2',
    950: '#000000',
  },
}

SCSS

$custom: #398eb2;
$custom-light: #7eafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#398eb2",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 178
  },
  "hsl": {
    "h": 197.851,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.6106,
    "c": 0.09713,
    "h": 229.5
  },
  "luminance": 0.2343
}

Semantic roles & 50–950 ramp

primary

#398EB2

secondary

#C49682

accent

#774DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398EB2

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

Preview Lab → · Contrast checker → · Palette generator →