#4374BC#4374BC

#4374BC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.124 H 258.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4374BC
RGB	rgb(67, 116, 188)
HSL	hsl(216, 47%, 50%)
HSV	hsv(216, 64%, 74%)
CMYK	cmyk(64.4%, 38.3%, 0%, 26.3%)
CIE-LAB	lab(48.65, 6.50, -42.81)
CIE-LCH	lch(48.65, 43.30, 278.63°)
OKLab	oklab(55.91% -0.0259 -0.1217)
OKLCH	oklch(55.91% 0.124 258)
XYZ	xyz(17.6340, 17.3132, 49.9797)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374BC #BC8B43

analogous

#43B1BC #4374BC #4E43BC

triadic

#4374BC #BC4374 #74BC43

tetradic

#4374BC #BC43B1 #BC8B43 #43BC4E

square

#4374BC #BC43B1 #BC8B43 #43BC4E

split-complementary

#4374BC #BC4E43 #B1BC43

monochromatic

#233C62 #33588F #4374BC #7095CC #9DB7DC

Accessibility & contrast

On white

4.71

#4374BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4374BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4374BC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374BC	#FFFFFF	#000000	##FFFFFF
##4374BC	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547ABF

Deuteranopia (green-blind)

#436EBB

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4374bc;
/* rgb */ color: rgb(67, 116, 188);
/* oklch */ color: oklch(55.9% 0.124 258.0);

Tailwind

colors: {
  custom: {
    50: '#839bd0',
    500: '#4374bc',
    950: '#000000',
  },
}

SCSS

$custom: #4374bc;
$custom-light: #839bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4374bc",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 188
  },
  "hsl": {
    "h": 215.702,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.55907,
    "c": 0.1244,
    "h": 258
  },
  "luminance": 0.17315
}

Semantic roles & 50–950 ramp

primary

#4374BC

secondary

#C9B392

accent

#A151D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4374BC

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

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