#398CB0#398CB0

#398CB0 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.096 H 230.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#398CB0
RGB	rgb(57, 140, 176)
HSL	hsl(198, 51%, 46%)
HSV	hsv(198, 68%, 69%)
CMYK	cmyk(67.6%, 20.5%, 0%, 31%)
CIE-LAB	lab(54.82, -13.44, -26.27)
CIE-LCH	lch(54.82, 29.51, 242.91°)
OKLab	oklab(60.48% -0.0618 -0.0736)
OKLCH	oklch(60.48% 0.096 230)
XYZ	xyz(18.8988, 22.7586, 44.4627)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CB0 #B05D39

analogous

#39B098 #398CB0 #3951B0

triadic

#398CB0 #B0398C #8CB039

tetradic

#398CB0 #9839B0 #B05D39 #51B039

square

#398CB0 #9839B0 #B05D39 #51B039

split-complementary

#398CB0 #B03951 #B09839

monochromatic

#1B4254 #2A6782 #398CB0 #5CA9CA #8AC1D9

Accessibility & contrast

On white

3.78

#398CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#398CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CB0

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CB0	#FFFFFF	#000000	##000000
##398CB0	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB2

Deuteranopia (green-blind)

#697EB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #398cb0;
/* rgb */ color: rgb(57, 140, 176);
/* oklch */ color: oklch(60.5% 0.096 230.0);

Tailwind

colors: {
  custom: {
    50: '#7dadc7',
    500: '#398cb0',
    950: '#000000',
  },
}

SCSS

$custom: #398cb0;
$custom-light: #7dadc7;
$custom-dark: #000000;

JSON

{
  "hex": "#398cb0",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 176
  },
  "hsl": {
    "h": 198.151,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60484,
    "c": 0.09608,
    "h": 230
  },
  "luminance": 0.22761
}

Semantic roles & 50–950 ramp

primary

#398CB0

secondary

#C49581

accent

#784DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398CB0

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

Preview Lab → · Contrast checker → · Palette generator →