#338BB4#338BB4

#338BB4 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.2% C 0.103 H 232.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#338BB4
RGB	rgb(51, 139, 180)
HSL	hsl(199, 56%, 45%)
HSV	hsv(199, 72%, 71%)
CMYK	cmyk(71.7%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(54.51, -12.45, -29.05)
CIE-LCH	lch(54.51, 31.61, 246.81°)
OKLab	oklab(60.24% -0.0627 -0.0816)
OKLCH	oklch(60.24% 0.103 232.5)
XYZ	xyz(18.8328, 22.4622, 46.5143)
Luminance	0.2246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338BB4 #B45C33

analogous

#33B49C #338BB4 #334AB4

triadic

#338BB4 #B4338B #8BB433

tetradic

#338BB4 #9C33B4 #B45C33 #4AB433

square

#338BB4 #9C33B4 #B45C33 #4AB433

split-complementary

#338BB4 #B4334A #B49C33

monochromatic

#184155 #256684 #338BB4 #55A8CF #85C1DC

Accessibility & contrast

On white

3.82

#338BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#338BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338BB4

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338BB4	#FFFFFF	#000000	##000000
##338BB4	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7789B6

Deuteranopia (green-blind)

#657DB3

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #338bb4;
/* rgb */ color: rgb(51, 139, 180);
/* oklch */ color: oklch(60.2% 0.103 232.5);

Tailwind

colors: {
  custom: {
    50: '#7bacca',
    500: '#338bb4',
    950: '#000000',
  },
}

SCSS

$custom: #338bb4;
$custom-light: #7bacca;
$custom-dark: #000000;

JSON

{
  "hex": "#338bb4",
  "rgb": {
    "r": 51,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 199.07,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.60244,
    "c": 0.10291,
    "h": 232.5
  },
  "luminance": 0.22464
}

Semantic roles & 50–950 ramp

primary

#338BB4

secondary

#C6947D

accent

#7849DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338BB4

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

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