#338EB4#338EB4

#338EB4 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.102 H 229.7°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#338EB4
RGB	rgb(51, 142, 180)
HSL	hsl(198, 56%, 45%)
HSV	hsv(198, 72%, 71%)
CMYK	cmyk(71.7%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(55.42, -14.11, -27.64)
CIE-LCH	lch(55.42, 31.04, 242.95°)
OKLab	oklab(60.97% -0.0657 -0.0775)
OKLCH	oklch(60.97% 0.102 229.7)
XYZ	xyz(19.2731, 23.3429, 46.6610)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338EB4 #B45933

analogous

#33B499 #338EB4 #334EB4

triadic

#338EB4 #B4338E #8EB433

tetradic

#338EB4 #9933B4 #B45933 #4EB433

square

#338EB4 #9933B4 #B45933 #4EB433

split-complementary

#338EB4 #B4334E #B49933

monochromatic

#184355 #256884 #338EB4 #55ABCF #85C3DC

Accessibility & contrast

On white

3.70

#338EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#338EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338EB4

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338EB4	#FFFFFF	#000000	##000000
##338EB4	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB6

Deuteranopia (green-blind)

#697FB3

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #338eb4;
/* rgb */ color: rgb(51, 142, 180);
/* oklch */ color: oklch(61.0% 0.102 229.7);

Tailwind

colors: {
  custom: {
    50: '#7cafca',
    500: '#338eb4',
    950: '#000000',
  },
}

SCSS

$custom: #338eb4;
$custom-light: #7cafca;
$custom-dark: #000000;

JSON

{
  "hex": "#338eb4",
  "rgb": {
    "r": 51,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 197.674,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6097,
    "c": 0.10165,
    "h": 229.7
  },
  "luminance": 0.23345
}

Semantic roles & 50–950 ramp

primary

#338EB4

secondary

#C6927D

accent

#7549DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338EB4

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

Preview Lab → · Contrast checker → · Palette generator →