#4375B2#4375B2

#4375B2 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.110 H 254.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4375B2
RGB	rgb(67, 117, 178)
HSL	hsl(213, 45%, 48%)
HSV	hsv(213, 62%, 70%)
CMYK	cmyk(62.4%, 34.3%, 0%, 30.2%)
CIE-LAB	lab(48.42, 2.42, -37.39)
CIE-LCH	lch(48.42, 37.47, 273.70°)
OKLab	oklab(55.56% -0.0295 -0.1058)
OKLCH	oklch(55.56% 0.11 254.4)
XYZ	xyz(16.7090, 17.1287, 44.5365)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375B2 #B28043

analogous

#43ACB2 #4375B2 #4843B2

triadic

#4375B2 #B24375 #75B243

tetradic

#4375B2 #B243AC #B28043 #43B248

square

#4375B2 #B243AC #B28043 #43B248

split-complementary

#4375B2 #B24843 #ACB243

monochromatic

#223B59 #325886 #4375B2 #6B95C7 #97B4D8

Accessibility & contrast

On white

4.74

#4375B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4375B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4375B2

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375B2	#FFFFFF	#000000	##FFFFFF
##4375B2	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B79B5

Deuteranopia (green-blind)

#4C6EB1

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4375b2;
/* rgb */ color: rgb(67, 117, 178);
/* oklch */ color: oklch(55.6% 0.110 254.4);

Tailwind

colors: {
  custom: {
    50: '#819cc9',
    500: '#4375b2',
    950: '#000000',
  },
}

SCSS

$custom: #4375b2;
$custom-light: #819cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4375b2",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 178
  },
  "hsl": {
    "h": 212.973,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55558,
    "c": 0.10987,
    "h": 254.4
  },
  "luminance": 0.1713
}

Semantic roles & 50–950 ramp

primary

#4375B2

secondary

#C4AB8D

accent

#9A53D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4375B2

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

Preview Lab → · Contrast checker → · Palette generator →