#398FAA#398FAA

#398FAA is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.9% C 0.091 H 222.1°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#398FAA
RGB	rgb(57, 143, 170)
HSL	hsl(194, 50%, 45%)
HSV	hsv(194, 66%, 67%)
CMYK	cmyk(66.5%, 15.9%, 0%, 33.3%)
CIE-LAB	lab(55.50, -17.05, -21.80)
CIE-LCH	lch(55.50, 27.67, 231.97°)
OKLab	oklab(60.94% -0.0672 -0.0608)
OKLCH	oklch(60.94% 0.091 222.1)
XYZ	xyz(18.7626, 23.4150, 41.5532)
Luminance	0.2342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398FAA #AA5439

analogous

#39AA8D #398FAA #3957AA

triadic

#398FAA #AA398F #8FAA39

tetradic

#398FAA #8D39AA #AA5439 #57AA39

square

#398FAA #8D39AA #AA5439 #57AA39

split-complementary

#398FAA #AA3957 #AA8D39

monochromatic

#1A424E #2A687C #398FAA #59ADC7 #87C4D7

Accessibility & contrast

On white

3.69

#398FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#398FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398FAA

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398FAA	#FFFFFF	#000000	##000000
##398FAA	1.00	3.69	5.68	5.68
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8CAB

Deuteranopia (green-blind)

#6F80AA

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #398faa;
/* rgb */ color: rgb(57, 143, 170);
/* oklch */ color: oklch(60.9% 0.091 222.1);

Tailwind

colors: {
  custom: {
    50: '#7db0c3',
    500: '#398faa',
    950: '#000000',
  },
}

SCSS

$custom: #398faa;
$custom-light: #7db0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#398faa",
  "rgb": {
    "r": 57,
    "g": 143,
    "b": 170
  },
  "hsl": {
    "h": 194.336,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.60944,
    "c": 0.09066,
    "h": 222.1
  },
  "luminance": 0.23417
}

Semantic roles & 50–950 ramp

primary

#398FAA

secondary

#C18E7E

accent

#704ED9

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #398FAA

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

Preview Lab → · Contrast checker → · Palette generator →