#398CB8#398CB8

#398CB8 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.104 H 235.4°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#398CB8
RGB	rgb(57, 140, 184)
HSL	hsl(201, 53%, 47%)
HSV	hsv(201, 69%, 72%)
CMYK	cmyk(69%, 23.9%, 0%, 27.8%)
CIE-LAB	lab(55.16, -10.75, -30.32)
CIE-LCH	lch(55.16, 32.17, 250.48°)
OKLab	oklab(60.86% -0.0589 -0.0852)
OKLCH	oklch(60.86% 0.104 235.4)
XYZ	xyz(19.7138, 23.0846, 48.7549)
Luminance	0.2309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CB8 #B86539

analogous

#39B8A4 #398CB8 #394DB8

triadic

#398CB8 #B8398C #8CB839

tetradic

#398CB8 #A439B8 #B86539 #4DB839

square

#398CB8 #A439B8 #B86539 #4DB839

split-complementary

#398CB8 #B8394D #B8A439

monochromatic

#1C455B #2B6889 #398CB8 #60A8CE #8FC2DC

Accessibility & contrast

On white

3.74

#398CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#398CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CB8

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CB8	#FFFFFF	#000000	##000000
##398CB8	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778BBA

Deuteranopia (green-blind)

#657FB7

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398cb8;
/* rgb */ color: rgb(57, 140, 184);
/* oklch */ color: oklch(60.9% 0.104 235.4);

Tailwind

colors: {
  custom: {
    50: '#7eadcd',
    500: '#398cb8',
    950: '#000000',
  },
}

SCSS

$custom: #398cb8;
$custom-light: #7eadcd;
$custom-dark: #000000;

JSON

{
  "hex": "#398cb8",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 184
  },
  "hsl": {
    "h": 200.787,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.60863,
    "c": 0.1036,
    "h": 235.4
  },
  "luminance": 0.23087
}

Semantic roles & 50–950 ramp

primary

#398CB8

secondary

#C79C86

accent

#7E4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398CB8

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

Preview Lab → · Contrast checker → · Palette generator →