#338AB3#338AB3

#338AB3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.0% C 0.102 H 232.7°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#338AB3
RGB	rgb(51, 138, 179)
HSL	hsl(199, 56%, 45%)
HSV	hsv(199, 72%, 70%)
CMYK	cmyk(71.5%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(54.17, -12.23, -29.02)
CIE-LCH	lch(54.17, 31.49, 247.15°)
OKLab	oklab(59.95% -0.062 -0.0815)
OKLCH	oklch(59.95% 0.102 232.7)
XYZ	xyz(18.5872, 22.1333, 45.9317)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338AB3 #B35C33

analogous

#33B39C #338AB3 #334AB3

triadic

#338AB3 #B3338A #8AB333

tetradic

#338AB3 #9C33B3 #B35C33 #4AB333

square

#338AB3 #9C33B3 #B35C33 #4AB333

split-complementary

#338AB3 #B3334A #B39C33

monochromatic

#184154 #256583 #338AB3 #55A7CE #84C0DC

Accessibility & contrast

On white

3.87

#338AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#338AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338AB3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338AB3	#FFFFFF	#000000	##000000
##338AB3	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7689B5

Deuteranopia (green-blind)

#647CB2

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #338ab3;
/* rgb */ color: rgb(51, 138, 179);
/* oklch */ color: oklch(60.0% 0.102 232.7);

Tailwind

colors: {
  custom: {
    50: '#7bacca',
    500: '#338ab3',
    950: '#000000',
  },
}

SCSS

$custom: #338ab3;
$custom-light: #7bacca;
$custom-dark: #000000;

JSON

{
  "hex": "#338ab3",
  "rgb": {
    "r": 51,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 199.219,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59954,
    "c": 0.10245,
    "h": 232.7
  },
  "luminance": 0.22135
}

Semantic roles & 50–950 ramp

primary

#338AB3

secondary

#C6947C

accent

#7949DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338AB3

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

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