#398CB2#398CB2

#398CB2 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.6% C 0.098 H 231.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#398CB2
RGB	rgb(57, 140, 178)
HSL	hsl(199, 51%, 46%)
HSV	hsv(199, 68%, 70%)
CMYK	cmyk(68%, 21.3%, 0%, 30.2%)
CIE-LAB	lab(54.91, -12.77, -27.29)
CIE-LCH	lch(54.91, 30.13, 244.92°)
OKLab	oklab(60.58% -0.061 -0.0765)
OKLCH	oklch(60.58% 0.098 231.4)
XYZ	xyz(19.0981, 22.8383, 45.5126)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CB2 #B25F39

analogous

#39B29B #398CB2 #394FB2

triadic

#398CB2 #B2398C #8CB239

tetradic

#398CB2 #9B39B2 #B25F39 #4FB239

square

#398CB2 #9B39B2 #B25F39 #4FB239

split-complementary

#398CB2 #B2394F #B29B39

monochromatic

#1B4355 #2A6884 #398CB2 #5DA9CB #8BC1DA

Accessibility & contrast

On white

3.77

#398CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#398CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CB2

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CB2	#FFFFFF	#000000	##000000
##398CB2	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB4

Deuteranopia (green-blind)

#687EB1

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #398cb2;
/* rgb */ color: rgb(57, 140, 178);
/* oklch */ color: oklch(60.6% 0.098 231.4);

Tailwind

colors: {
  custom: {
    50: '#7dadc9',
    500: '#398cb2',
    950: '#000000',
  },
}

SCSS

$custom: #398cb2;
$custom-light: #7dadc9;
$custom-dark: #000000;

JSON

{
  "hex": "#398cb2",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 178
  },
  "hsl": {
    "h": 198.843,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.60577,
    "c": 0.09787,
    "h": 231.4
  },
  "luminance": 0.2284
}

Semantic roles & 50–950 ramp

primary

#398CB2

secondary

#C49782

accent

#794DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398CB2

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

Preview Lab → · Contrast checker → · Palette generator →