#338BB5#338BB5

#338BB5 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.3% C 0.104 H 233.1°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#338BB5
RGB	rgb(51, 139, 181)
HSL	hsl(199, 56%, 45%)
HSV	hsv(199, 72%, 71%)
CMYK	cmyk(71.8%, 23.2%, 0%, 29%)
CIE-LAB	lab(54.56, -12.10, -29.56)
CIE-LCH	lch(54.56, 31.94, 247.73°)
OKLab	oklab(60.29% -0.0623 -0.0831)
OKLCH	oklch(60.29% 0.104 233.1)
XYZ	xyz(18.9350, 22.5031, 47.0527)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338BB5 #B55D33

analogous

#33B59E #338BB5 #334AB5

triadic

#338BB5 #B5338B #8BB533

tetradic

#338BB5 #9E33B5 #B55D33 #4AB533

square

#338BB5 #9E33B5 #B55D33 #4AB533

split-complementary

#338BB5 #B5334A #B59E33

monochromatic

#184256 #266685 #338BB5 #56A8CF #86C1DD

Accessibility & contrast

On white

3.82

#338BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#338BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338BB5

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338BB5	#FFFFFF	#000000	##000000
##338BB5	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768AB7

Deuteranopia (green-blind)

#657DB4

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #338bb5;
/* rgb */ color: rgb(51, 139, 181);
/* oklch */ color: oklch(60.3% 0.104 233.1);

Tailwind

colors: {
  custom: {
    50: '#7baccb',
    500: '#338bb5',
    950: '#000000',
  },
}

SCSS

$custom: #338bb5;
$custom-light: #7baccb;
$custom-dark: #000000;

JSON

{
  "hex": "#338bb5",
  "rgb": {
    "r": 51,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 199.385,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.60292,
    "c": 0.10386,
    "h": 233.1
  },
  "luminance": 0.22505
}

Semantic roles & 50–950 ramp

primary

#338BB5

secondary

#C6957D

accent

#7948DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338BB5

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

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