#4371D2#4371D2

#4371D2 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.6% C 0.158 H 263.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4371D2
RGB	rgb(67, 113, 210)
HSL	hsl(221, 61%, 54%)
HSV	hsv(221, 68%, 82%)
CMYK	cmyk(68.1%, 46.2%, 0%, 17.6%)
CIE-LAB	lab(49.07, 16.15, -54.74)
CIE-LCH	lch(49.07, 57.08, 286.44°)
OKLab	oklab(56.64% -0.0187 -0.1567)
OKLCH	oklch(56.64% 0.158 263.2)
XYZ	xyz(19.8486, 17.6547, 63.3219)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4371D2 #D2A443

analogous

#43B9D2 #4371D2 #5D43D2

triadic

#4371D2 #D24371 #71D243

tetradic

#4371D2 #D243B9 #D2A443 #43D25D

square

#4371D2 #D243B9 #D2A443 #43D25D

split-complementary

#4371D2 #D25D43 #B9D243

monochromatic

#1E3C7D #2A54AE #4371D2 #7496DE #A6BCEA

Accessibility & contrast

On white

4.63

#4371D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4371D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4371D2

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4371D2	#FFFFFF	#000000	##FFFFFF
##4371D2	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7CD6

Deuteranopia (green-blind)

#226ED0

Tritanopia (blue-blind)

#008897

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4371d2;
/* rgb */ color: rgb(67, 113, 210);
/* oklch */ color: oklch(56.6% 0.158 263.2);

Tailwind

colors: {
  custom: {
    50: '#8799e0',
    500: '#4371d2',
    950: '#000000',
  },
}

SCSS

$custom: #4371d2;
$custom-light: #8799e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4371d2",
  "rgb": {
    "r": 67,
    "g": 113,
    "b": 210
  },
  "hsl": {
    "h": 220.699,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56643,
    "c": 0.15785,
    "h": 263.2
  },
  "luminance": 0.17657
}

Semantic roles & 50–950 ramp

primary

#4371D2

secondary

#D7C39A

accent

#B143E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4371D2

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

Preview Lab → · Contrast checker → · Palette generator →