#338BB2#338BB2

#338BB2 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.1% C 0.101 H 231.2°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#338BB2
RGB	rgb(51, 139, 178)
HSL	hsl(198, 55%, 45%)
HSV	hsv(198, 71%, 70%)
CMYK	cmyk(71.3%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(54.43, -13.13, -28.04)
CIE-LCH	lch(54.43, 30.96, 244.91°)
OKLab	oklab(60.15% -0.0634 -0.0787)
OKLCH	oklch(60.15% 0.101 231.2)
XYZ	xyz(18.6305, 22.3813, 45.4490)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338BB2 #B25A33

analogous

#33B29A #338BB2 #334CB2

triadic

#338BB2 #B2338B #8BB233

tetradic

#338BB2 #9A33B2 #B25A33 #4CB233

square

#338BB2 #9A33B2 #B25A33 #4CB233

split-complementary

#338BB2 #B2334C #B29A33

monochromatic

#184153 #256682 #338BB2 #54A9CE #84C1DC

Accessibility & contrast

On white

3.83

#338BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#338BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338BB2

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338BB2	#FFFFFF	#000000	##000000
##338BB2	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B4

Deuteranopia (green-blind)

#667DB1

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #338bb2;
/* rgb */ color: rgb(51, 139, 178);
/* oklch */ color: oklch(60.1% 0.101 231.2);

Tailwind

colors: {
  custom: {
    50: '#7bacc9',
    500: '#338bb2',
    950: '#000000',
  },
}

SCSS

$custom: #338bb2;
$custom-light: #7bacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#338bb2",
  "rgb": {
    "r": 51,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 198.425,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.60148,
    "c": 0.10108,
    "h": 231.2
  },
  "luminance": 0.22383
}

Semantic roles & 50–950 ramp

primary

#338BB2

secondary

#C5927C

accent

#7749DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338BB2

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

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