#4375BB#4375BB

#4375BB is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.1% C 0.122 H 257.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4375BB
RGB	rgb(67, 117, 187)
HSL	hsl(215, 47%, 50%)
HSV	hsv(215, 64%, 73%)
CMYK	cmyk(64.2%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(48.89, 5.54, -41.86)
CIE-LCH	lch(48.89, 42.23, 277.53°)
OKLab	oklab(56.07% -0.0272 -0.1189)
OKLCH	oklch(56.07% 0.122 257.1)
XYZ	xyz(17.6425, 17.5020, 49.4526)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4375BB #BB8943

analogous

#43B1BB #4375BB #4D43BB

triadic

#4375BB #BB4375 #75BB43

tetradic

#4375BB #BB43B1 #BB8943 #43BB4D

square

#4375BB #BB43B1 #BB8943 #43BB4D

split-complementary

#4375BB #BB4D43 #B1BB43

monochromatic

#233D61 #33598E #4375BB #7096CC #9DB7DC

Accessibility & contrast

On white

4.67

#4375BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4375BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4375BB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4375BB	#FFFFFF	#000000	##FFFFFF
##4375BB	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567ABE

Deuteranopia (green-blind)

#466FBA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4375bb;
/* rgb */ color: rgb(67, 117, 187);
/* oklch */ color: oklch(56.1% 0.122 257.1);

Tailwind

colors: {
  custom: {
    50: '#839cd0',
    500: '#4375bb',
    950: '#000000',
  },
}

SCSS

$custom: #4375bb;
$custom-light: #839cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4375bb",
  "rgb": {
    "r": 67,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 215,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56072,
    "c": 0.12195,
    "h": 257.1
  },
  "luminance": 0.17504
}

Semantic roles & 50–950 ramp

primary

#4375BB

secondary

#C8B192

accent

#9F51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4375BB

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

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