#4041B9#4041B9

#4041B9 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.3% C 0.184 H 275.8°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#4041B9
RGB	rgb(64, 65, 185)
HSL	hsl(240, 49%, 49%)
HSV	hsv(240, 65%, 73%)
CMYK	cmyk(65.4%, 64.9%, 0%, 27.5%)
CIE-LAB	lab(34.75, 37.28, -63.48)
CIE-LCH	lch(34.75, 73.61, 300.42°)
OKLab	oklab(45.28% 0.0186 -0.1831)
OKLCH	oklch(45.28% 0.184 275.8)
XYZ	xyz(12.7587, 8.3723, 46.8332)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4041B9 #B9B840

analogous

#407EB9 #4041B9 #7C40B9

triadic

#4041B9 #B94041 #41B940

tetradic

#4041B9 #B9407E #B9B840 #40B97C

square

#4041B9 #B9407E #B9B840 #40B97C

split-complementary

#4041B9 #B97C40 #7EB940

monochromatic

#21215E #30318C #4041B9 #6B6BCC #9899DB

Accessibility & contrast

On white

7.85

#4041B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4041B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041B9

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041B9	#FFFFFF	#000000	##FFFFFF
##4041B9	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BD

Deuteranopia (green-blind)

#004CB7

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4041b9;
/* rgb */ color: rgb(64, 65, 185);
/* oklch */ color: oklch(45.3% 0.184 275.8);

Tailwind

colors: {
  custom: {
    50: '#8376cf',
    500: '#4041b9',
    950: '#000000',
  },
}

SCSS

$custom: #4041b9;
$custom-light: #8376cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4041b9",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 185
  },
  "hsl": {
    "h": 239.504,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4528,
    "c": 0.18401,
    "h": 275.8
  },
  "luminance": 0.08373
}

Semantic roles & 50–950 ramp

primary

#4041B9

secondary

#C7C78E

accent

#D750D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4041B9

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

Preview Lab → · Contrast checker → · Palette generator →