#3375B1#3375B1

#3375B1 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.8% C 0.115 H 248.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3375B1
RGB	rgb(51, 117, 177)
HSL	hsl(209, 55%, 45%)
HSV	hsv(209, 71%, 69%)
CMYK	cmyk(71.2%, 33.9%, 0%, 30.6%)
CIE-LAB	lab(47.75, -0.68, -37.91)
CIE-LCH	lch(47.75, 37.92, 268.97°)
OKLab	oklab(54.84% -0.0416 -0.1075)
OKLCH	oklch(54.84% 0.115 248.9)
XYZ	xyz(15.6594, 16.5990, 43.9651)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3375B1 #B16F33

analogous

#33B1AE #3375B1 #3336B1

triadic

#3375B1 #B13375 #75B133

tetradic

#3375B1 #AE33B1 #B16F33 #36B133

square

#3375B1 #AE33B1 #B16F33 #36B133

split-complementary

#3375B1 #B13336 #B1AE33

monochromatic

#183652 #255681 #3375B1 #5494CE #83B1DB

Accessibility & contrast

On white

4.86

#3375B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3375B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3375B1

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3375B1	#FFFFFF	#000000	##FFFFFF
##3375B1	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A78B4

Deuteranopia (green-blind)

#486CB0

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3375b1;
/* rgb */ color: rgb(51, 117, 177);
/* oklch */ color: oklch(54.8% 0.115 248.9);

Tailwind

colors: {
  custom: {
    50: '#7a9cc8',
    500: '#3375b1',
    950: '#000000',
  },
}

SCSS

$custom: #3375b1;
$custom-light: #7a9cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3375b1",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 177
  },
  "hsl": {
    "h": 208.571,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.54843,
    "c": 0.11531,
    "h": 248.9
  },
  "luminance": 0.16601
}

Semantic roles & 50–950 ramp

primary

#3375B1

secondary

#C59E7B

accent

#9049DF

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3375B1

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

Preview Lab → · Contrast checker → · Palette generator →