#398BB1#398BB1

#398BB1 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.3% C 0.097 H 231.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#398BB1
RGB	rgb(57, 139, 177)
HSL	hsl(199, 51%, 46%)
HSV	hsv(199, 68%, 69%)
CMYK	cmyk(67.8%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.56, -12.55, -27.25)
CIE-LCH	lch(54.56, 30.00, 245.27°)
OKLab	oklab(60.29% -0.0604 -0.0764)
OKLCH	oklch(60.29% 0.097 231.7)
XYZ	xyz(18.8526, 22.5074, 44.9372)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398BB1 #B15F39

analogous

#39B19B #398BB1 #394FB1

triadic

#398BB1 #B1398B #8BB139

tetradic

#398BB1 #9B39B1 #B15F39 #4FB139

square

#398BB1 #9B39B1 #B15F39 #4FB139

split-complementary

#398BB1 #B1394F #B19B39

monochromatic

#1B4254 #2A6783 #398BB1 #5DA8CB #8BC1DA

Accessibility & contrast

On white

3.82

#398BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#398BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398BB1

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398BB1	#FFFFFF	#000000	##000000
##398BB1	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B3

Deuteranopia (green-blind)

#677DB0

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #398bb1;
/* rgb */ color: rgb(57, 139, 177);
/* oklch */ color: oklch(60.3% 0.097 231.7);

Tailwind

colors: {
  custom: {
    50: '#7dacc8',
    500: '#398bb1',
    950: '#000000',
  },
}

SCSS

$custom: #398bb1;
$custom-light: #7dacc8;
$custom-dark: #000000;

JSON

{
  "hex": "#398bb1",
  "rgb": {
    "r": 57,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 199,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.60289,
    "c": 0.09737,
    "h": 231.7
  },
  "luminance": 0.22509
}

Semantic roles & 50–950 ramp

primary

#398BB1

secondary

#C49782

accent

#7A4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398BB1

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

Preview Lab → · Contrast checker → · Palette generator →