#4371CE#4371CE

#4371CE is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.4% C 0.152 H 262.7°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4371CE
RGB	rgb(67, 113, 206)
HSL	hsl(220, 59%, 54%)
HSV	hsv(220, 67%, 81%)
CMYK	cmyk(67.5%, 45.1%, 0%, 19.2%)
CIE-LAB	lab(48.83, 14.72, -52.85)
CIE-LCH	lch(48.83, 54.86, 285.57°)
OKLab	oklab(56.38% -0.0193 -0.1512)
OKLCH	oklch(56.38% 0.152 262.7)
XYZ	xyz(19.3565, 17.4579, 60.7302)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371CE #CEA043

analogous

#43B6CE #4371CE #5A43CE

triadic

#4371CE #CE4371 #71CE43

tetradic

#4371CE #CE43B6 #CEA043 #43CE5A

square

#4371CE #CE43B6 #CEA043 #43CE5A

split-complementary

#4371CE #CE5A43 #B6CE43

monochromatic

#1F3C77 #2C55A8 #4371CE #7496DB #A4BAE7

Accessibility & contrast

On white

4.67

#4371CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4371CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4371CE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371CE	#FFFFFF	#000000	##FFFFFF
##4371CE	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD2

Deuteranopia (green-blind)

#296ECC

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4371ce;
/* rgb */ color: rgb(67, 113, 206);
/* oklch */ color: oklch(56.4% 0.152 262.7);

Tailwind

colors: {
  custom: {
    50: '#8699dd',
    500: '#4371ce',
    950: '#000000',
  },
}

SCSS

$custom: #4371ce;
$custom-light: #8699dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4371ce",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 206
  },
  "hsl": {
    "h": 220.144,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.56378,
    "c": 0.15241,
    "h": 262.7
  },
  "luminance": 0.1746
}

Semantic roles & 50–950 ramp

primary

#4371CE

secondary

#D4C099

accent

#AE46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4371CE

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

Preview Lab → · Contrast checker → · Palette generator →