#338FB1#338FB1

#338FB1 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.1% C 0.099 H 226.6°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#338FB1
RGB	rgb(51, 143, 177)
HSL	hsl(196, 55%, 45%)
HSV	hsv(196, 71%, 69%)
CMYK	cmyk(71.2%, 19.2%, 0%, 30.6%)
CIE-LAB	lab(55.60, -15.67, -25.65)
CIE-LCH	lch(55.60, 30.06, 238.57°)
OKLab	oklab(61.07% -0.0678 -0.0718)
OKLCH	oklch(61.07% 0.099 226.6)
XYZ	xyz(19.1203, 23.5209, 45.1187)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338FB1 #B15533

analogous

#33B194 #338FB1 #3350B1

triadic

#338FB1 #B1338F #8FB133

tetradic

#338FB1 #9433B1 #B15533 #50B133

square

#338FB1 #9433B1 #B15533 #50B133

split-complementary

#338FB1 #B13350 #B19433

monochromatic

#184252 #256981 #338FB1 #54ADCE #83C4DB

Accessibility & contrast

On white

3.68

#338FB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#338FB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338FB1

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338FB1	#FFFFFF	#000000	##000000
##338FB1	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB3

Deuteranopia (green-blind)

#6B80B1

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #338fb1;
/* rgb */ color: rgb(51, 143, 177);
/* oklch */ color: oklch(61.1% 0.099 226.6);

Tailwind

colors: {
  custom: {
    50: '#7bafc8',
    500: '#338fb1',
    950: '#000000',
  },
}

SCSS

$custom: #338fb1;
$custom-light: #7bafc8;
$custom-dark: #000000;

JSON

{
  "hex": "#338fb1",
  "rgb": {
    "r": 51,
    "g": 143,
    "b": 177
  },
  "hsl": {
    "h": 196.19,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.61074,
    "c": 0.09882,
    "h": 226.6
  },
  "luminance": 0.23523
}

Semantic roles & 50–950 ramp

primary

#338FB1

secondary

#C58F7B

accent

#7249DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338FB1

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

Preview Lab → · Contrast checker → · Palette generator →