#398CB1#398CB1

#398CB1 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.097 H 230.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#398CB1
RGB	rgb(57, 140, 177)
HSL	hsl(199, 51%, 46%)
HSV	hsv(199, 68%, 69%)
CMYK	cmyk(67.8%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.86, -13.10, -26.78)
CIE-LCH	lch(54.86, 29.81, 243.93°)
OKLab	oklab(60.53% -0.0614 -0.075)
OKLCH	oklch(60.53% 0.097 230.7)
XYZ	xyz(18.9981, 22.7983, 44.9857)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CB1 #B15E39

analogous

#39B19A #398CB1 #3950B1

triadic

#398CB1 #B1398C #8CB139

tetradic

#398CB1 #9A39B1 #B15E39 #50B139

square

#398CB1 #9A39B1 #B15E39 #50B139

split-complementary

#398CB1 #B13950 #B19A39

monochromatic

#1B4354 #2A6783 #398CB1 #5DA9CB #8BC1DA

Accessibility & contrast

On white

3.78

#398CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#398CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CB1

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CB1	#FFFFFF	#000000	##000000
##398CB1	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB3

Deuteranopia (green-blind)

#697EB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #398cb1;
/* rgb */ color: rgb(57, 140, 177);
/* oklch */ color: oklch(60.5% 0.097 230.7);

Tailwind

colors: {
  custom: {
    50: '#7dadc8',
    500: '#398cb1',
    950: '#000000',
  },
}

SCSS

$custom: #398cb1;
$custom-light: #7dadc8;
$custom-dark: #000000;

JSON

{
  "hex": "#398cb1",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 198.5,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.6053,
    "c": 0.09696,
    "h": 230.7
  },
  "luminance": 0.228
}

Semantic roles & 50–950 ramp

primary

#398CB1

secondary

#C49682

accent

#794DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398CB1

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

Preview Lab → · Contrast checker → · Palette generator →