#398EB8#398EB8

#398EB8 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.103 H 233.5°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#398EB8
RGB	rgb(57, 142, 184)
HSL	hsl(200, 53%, 47%)
HSV	hsv(200, 69%, 72%)
CMYK	cmyk(69%, 22.8%, 0%, 27.8%)
CIE-LAB	lab(55.76, -11.87, -29.39)
CIE-LCH	lch(55.76, 31.69, 248.00°)
OKLab	oklab(61.34% -0.061 -0.0825)
OKLCH	oklch(61.34% 0.103 233.5)
XYZ	xyz(20.0087, 23.6744, 48.8532)
Luminance	0.2368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EB8 #B86339

analogous

#39B8A3 #398EB8 #394EB8

triadic

#398EB8 #B8398E #8EB839

tetradic

#398EB8 #A339B8 #B86339 #4EB839

square

#398EB8 #A339B8 #B86339 #4EB839

split-complementary

#398EB8 #B8394E #B8A339

monochromatic

#1C465B #2B6A89 #398EB8 #60AACE #8FC3DC

Accessibility & contrast

On white

3.66

#398EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#398EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EB8

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EB8	#FFFFFF	#000000	##000000
##398EB8	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBA

Deuteranopia (green-blind)

#6880B7

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #398eb8;
/* rgb */ color: rgb(57, 142, 184);
/* oklch */ color: oklch(61.3% 0.103 233.5);

Tailwind

colors: {
  custom: {
    50: '#7eafcd',
    500: '#398eb8',
    950: '#000000',
  },
}

SCSS

$custom: #398eb8;
$custom-light: #7eafcd;
$custom-dark: #000000;

JSON

{
  "hex": "#398eb8",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 184
  },
  "hsl": {
    "h": 199.843,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.61341,
    "c": 0.10259,
    "h": 233.5
  },
  "luminance": 0.23677
}

Semantic roles & 50–950 ramp

primary

#398EB8

secondary

#C79B86

accent

#7B4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398EB8

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

Preview Lab → · Contrast checker → · Palette generator →