#398EB0#398EB0

#398EB0 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.095 H 228.0°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#398EB0
RGB	rgb(57, 142, 176)
HSL	hsl(197, 51%, 46%)
HSV	hsv(197, 68%, 69%)
CMYK	cmyk(67.6%, 19.3%, 0%, 31%)
CIE-LAB	lab(55.43, -14.54, -25.34)
CIE-LCH	lch(55.43, 29.21, 240.15°)
OKLab	oklab(60.97% -0.0639 -0.0709)
OKLCH	oklch(60.97% 0.095 228)
XYZ	xyz(19.1937, 23.3484, 44.5610)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398EB0 #B05B39

analogous

#39B096 #398EB0 #3952B0

triadic

#398EB0 #B0398E #8EB039

tetradic

#398EB0 #9639B0 #B05B39 #52B039

square

#398EB0 #9639B0 #B05B39 #52B039

split-complementary

#398EB0 #B03952 #B09639

monochromatic

#1B4354 #2A6982 #398EB0 #5CABCA #8AC3D9

Accessibility & contrast

On white

3.70

#398EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#398EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EB0

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398EB0	#FFFFFF	#000000	##000000
##398EB0	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB2

Deuteranopia (green-blind)

#6C7FB0

Tritanopia (blue-blind)

#009899

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #398eb0;
/* rgb */ color: rgb(57, 142, 176);
/* oklch */ color: oklch(61.0% 0.095 228.0);

Tailwind

colors: {
  custom: {
    50: '#7dafc7',
    500: '#398eb0',
    950: '#000000',
  },
}

SCSS

$custom: #398eb0;
$custom-light: #7dafc7;
$custom-dark: #000000;

JSON

{
  "hex": "#398eb0",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 176
  },
  "hsl": {
    "h": 197.143,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60968,
    "c": 0.09543,
    "h": 228
  },
  "luminance": 0.2335
}

Semantic roles & 50–950 ramp

primary

#398EB0

secondary

#C49481

accent

#764DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398EB0

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

Preview Lab → · Contrast checker → · Palette generator →