#338FB7#338FB7

#338FB7 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.104 H 230.8°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#338FB7
RGB	rgb(51, 143, 183)
HSL	hsl(198, 56%, 46%)
HSV	hsv(198, 72%, 72%)
CMYK	cmyk(72.1%, 21.9%, 0%, 28.2%)
CIE-LAB	lab(55.85, -13.65, -28.69)
CIE-LCH	lch(55.85, 31.77, 244.56°)
OKLab	oklab(61.35% -0.0656 -0.0806)
OKLCH	oklch(61.35% 0.104 230.8)
XYZ	xyz(19.7315, 23.7654, 48.3378)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338FB7 #B75B33

analogous

#33B79D #338FB7 #334DB7

triadic

#338FB7 #B7338F #8FB733

tetradic

#338FB7 #9D33B7 #B75B33 #4DB733

square

#338FB7 #9D33B7 #B75B33 #4DB733

split-complementary

#338FB7 #B7334D #B79D33

monochromatic

#184457 #266A87 #338FB7 #57ABD0 #87C3DE

Accessibility & contrast

On white

3.65

#338FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#338FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338FB7

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338FB7	#FFFFFF	#000000	##000000
##338FB7	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB9

Deuteranopia (green-blind)

#6980B6

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #338fb7;
/* rgb */ color: rgb(51, 143, 183);
/* oklch */ color: oklch(61.4% 0.104 230.8);

Tailwind

colors: {
  custom: {
    50: '#7cafcc',
    500: '#338fb7',
    950: '#000000',
  },
}

SCSS

$custom: #338fb7;
$custom-light: #7cafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#338fb7",
  "rgb": {
    "r": 51,
    "g": 143,
    "b": 183
  },
  "hsl": {
    "h": 198.182,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61353,
    "c": 0.1039,
    "h": 230.8
  },
  "luminance": 0.23768
}

Semantic roles & 50–950 ramp

primary

#338FB7

secondary

#C7957F

accent

#7648E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338FB7

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

Preview Lab → · Contrast checker → · Palette generator →