#4375B3#4375B3

#4375B3 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.6% C 0.111 H 254.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4375B3
RGB	rgb(67, 117, 179)
HSL	hsl(213, 46%, 48%)
HSV	hsv(213, 63%, 70%)
CMYK	cmyk(62.6%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(48.47, 2.76, -37.89)
CIE-LCH	lch(48.47, 37.99, 274.17°)
OKLab	oklab(55.61% -0.0293 -0.1073)
OKLCH	oklch(55.61% 0.111 254.7)
XYZ	xyz(16.8098, 17.1690, 45.0672)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375B3 #B38143

analogous

#43ADB3 #4375B3 #4943B3

triadic

#4375B3 #B34375 #75B343

tetradic

#4375B3 #B343AD #B38143 #43B349

square

#4375B3 #B343AD #B38143 #43B349

split-complementary

#4375B3 #B34943 #ADB343

monochromatic

#223B5A #325886 #4375B3 #6B95C8 #98B5D8

Accessibility & contrast

On white

4.74

#4375B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4375B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4375B3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375B3	#FFFFFF	#000000	##FFFFFF
##4375B3	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)

#5B79B6

Deuteranopia (green-blind)

#4B6EB2

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4375b3;
/* rgb */ color: rgb(67, 117, 179);
/* oklch */ color: oklch(55.6% 0.111 254.7);

Tailwind

colors: {
  custom: {
    50: '#819cca',
    500: '#4375b3',
    950: '#000000',
  },
}

SCSS

$custom: #4375b3;
$custom-light: #819cca;
$custom-dark: #000000;

JSON

{
  "hex": "#4375b3",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 213.214,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55614,
    "c": 0.1112,
    "h": 254.7
  },
  "luminance": 0.17171
}

Semantic roles & 50–950 ramp

primary

#4375B3

secondary

#C4AC8D

accent

#9B53D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4375B3

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

Preview Lab → · Contrast checker → · Palette generator →