#398CA3#398CA3

#398CA3 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.9% C 0.086 H 219.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#398CA3
RGB	rgb(57, 140, 163)
HSL	hsl(193, 48%, 43%)
HSV	hsv(193, 65%, 64%)
CMYK	cmyk(65%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(54.31, -17.68, -19.60)
CIE-LCH	lch(54.31, 26.39, 227.95°)
OKLab	oklab(59.9% -0.0668 -0.0546)
OKLCH	oklch(59.9% 0.086 219.2)
XYZ	xyz(17.6736, 22.2685, 38.0101)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CA3 #A35039

analogous

#39A385 #398CA3 #3957A3

triadic

#398CA3 #A3398C #8CA339

tetradic

#398CA3 #8539A3 #A35039 #57A339

square

#398CA3 #8539A3 #A35039 #57A339

split-complementary

#398CA3 #A33957 #A38539

monochromatic

#193E48 #296576 #398CA3 #55ACC4 #83C2D4

Accessibility & contrast

On white

3.85

#398CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#398CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CA3

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CA3	#FFFFFF	#000000	##000000
##398CA3	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E88A4

Deuteranopia (green-blind)

#6E7DA3

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #398ca3;
/* rgb */ color: rgb(57, 140, 163);
/* oklch */ color: oklch(59.9% 0.086 219.2);

Tailwind

colors: {
  custom: {
    50: '#7badbe',
    500: '#398ca3',
    950: '#000000',
  },
}

SCSS

$custom: #398ca3;
$custom-light: #7badbe;
$custom-dark: #000000;

JSON

{
  "hex": "#398ca3",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 193.019,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.59905,
    "c": 0.08626,
    "h": 219.2
  },
  "luminance": 0.2227
}

Semantic roles & 50–950 ramp

primary

#398CA3

secondary

#BD897A

accent

#6D50D8

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #398CA3

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

Preview Lab → · Contrast checker → · Palette generator →