#398DB2#398DB2

#398DB2 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.8% C 0.097 H 230.4°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#398DB2
RGB	rgb(57, 141, 178)
HSL	hsl(198, 51%, 46%)
HSV	hsv(198, 68%, 70%)
CMYK	cmyk(68%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(55.21, -13.33, -26.82)
CIE-LCH	lch(55.21, 29.95, 243.58°)
OKLab	oklab(60.82% -0.0621 -0.0751)
OKLCH	oklch(60.82% 0.097 230.4)
XYZ	xyz(19.2449, 23.1319, 45.5615)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398DB2 #B25E39

analogous

#39B29A #398DB2 #3950B2

triadic

#398DB2 #B2398D #8DB239

tetradic

#398DB2 #9A39B2 #B25E39 #50B239

square

#398DB2 #9A39B2 #B25E39 #50B239

split-complementary

#398DB2 #B23950 #B29A39

monochromatic

#1B4455 #2A6884 #398DB2 #5DA9CB #8BC2DA

Accessibility & contrast

On white

3.73

#398DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#398DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DB2

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398DB2	#FFFFFF	#000000	##000000
##398DB2	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB4

Deuteranopia (green-blind)

#6A7FB1

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398db2;
/* rgb */ color: rgb(57, 141, 178);
/* oklch */ color: oklch(60.8% 0.097 230.4);

Tailwind

colors: {
  custom: {
    50: '#7daec9',
    500: '#398db2',
    950: '#000000',
  },
}

SCSS

$custom: #398db2;
$custom-light: #7daec9;
$custom-dark: #000000;

JSON

{
  "hex": "#398db2",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 198.347,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.60818,
    "c": 0.09748,
    "h": 230.4
  },
  "luminance": 0.23134
}

Semantic roles & 50–950 ramp

primary

#398DB2

secondary

#C49782

accent

#784DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398DB2

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

Preview Lab → · Contrast checker → · Palette generator →