#398FB3#398FB3

#398FB3 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.3% C 0.098 H 229.2°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#398FB3
RGB	rgb(57, 143, 179)
HSL	hsl(198, 52%, 46%)
HSV	hsv(198, 68%, 70%)
CMYK	cmyk(68.2%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(55.85, -14.10, -26.39)
CIE-LCH	lch(55.85, 29.92, 241.89°)
OKLab	oklab(61.35% -0.0638 -0.0739)
OKLCH	oklch(61.35% 0.098 229.2)
XYZ	xyz(19.6432, 23.7673, 46.1914)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398FB3 #B35D39

analogous

#39B39A #398FB3 #3952B3

triadic

#398FB3 #B3398F #8FB339

tetradic

#398FB3 #9A39B3 #B35D39 #52B339

square

#398FB3 #9A39B3 #B35D39 #52B339

split-complementary

#398FB3 #B33952 #B39A39

monochromatic

#1B4556 #2A6A85 #398FB3 #5EABCC #8CC3DA

Accessibility & contrast

On white

3.65

#398FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#398FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398FB3

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398FB3	#FFFFFF	#000000	##000000
##398FB3	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB5

Deuteranopia (green-blind)

#6C80B3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398fb3;
/* rgb */ color: rgb(57, 143, 179);
/* oklch */ color: oklch(61.3% 0.098 229.2);

Tailwind

colors: {
  custom: {
    50: '#7eafca',
    500: '#398fb3',
    950: '#000000',
  },
}

SCSS

$custom: #398fb3;
$custom-light: #7eafca;
$custom-dark: #000000;

JSON

{
  "hex": "#398fb3",
  "rgb": {
    "r": 57,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 197.705,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.61347,
    "c": 0.09765,
    "h": 229.2
  },
  "luminance": 0.23769
}

Semantic roles & 50–950 ramp

primary

#398FB3

secondary

#C59683

accent

#774DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398FB3

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

Preview Lab → · Contrast checker → · Palette generator →