#398CAF#398CAF

#398CAF is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.095 H 229.3°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#398CAF
RGB	rgb(57, 140, 175)
HSL	hsl(198, 51%, 45%)
HSV	hsv(198, 67%, 69%)
CMYK	cmyk(67.4%, 20%, 0%, 31.4%)
CIE-LAB	lab(54.78, -13.77, -25.76)
CIE-LCH	lch(54.78, 29.21, 241.88°)
OKLab	oklab(60.44% -0.0621 -0.0721)
OKLCH	oklch(60.44% 0.095 229.3)
XYZ	xyz(18.8002, 22.7191, 43.9436)
Luminance	0.2272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CAF #AF5C39

analogous

#39AF97 #398CAF #3951AF

triadic

#398CAF #AF398C #8CAF39

tetradic

#398CAF #9739AF #AF5C39 #51AF39

square

#398CAF #9739AF #AF5C39 #51AF39

split-complementary

#398CAF #AF3951 #AF9739

monochromatic

#1B4253 #2A6781 #398CAF #5BA9CA #8AC1D9

Accessibility & contrast

On white

3.79

#398CAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#398CAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CAF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CAF	#FFFFFF	#000000	##000000
##398CAF	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB1

Deuteranopia (green-blind)

#6A7EAF

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #398caf;
/* rgb */ color: rgb(57, 140, 175);
/* oklch */ color: oklch(60.4% 0.095 229.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#398caf",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 175
  },
  "hsl": {
    "h": 197.797,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.60438,
    "c": 0.09521,
    "h": 229.3
  },
  "luminance": 0.22721
}

Semantic roles & 50–950 ramp

primary

#398CAF

secondary

#C39481

accent

#774DDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #398CAF

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

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