#4041B8#4041B8

#4041B8 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.2% C 0.183 H 275.9°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4041B8
RGB	rgb(64, 65, 184)
HSL	hsl(240, 48%, 49%)
HSV	hsv(240, 65%, 72%)
CMYK	cmyk(65.2%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(34.66, 36.94, -63.03)
CIE-LCH	lch(34.66, 73.05, 300.37°)
OKLab	oklab(45.19% 0.0187 -0.1817)
OKLCH	oklch(45.19% 0.183 275.9)
XYZ	xyz(12.6535, 8.3302, 46.2792)
Luminance	0.0833 (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

#4041B8 #B8B740

analogous

#407DB8 #4041B8 #7B40B8

triadic

#4041B8 #B84041 #41B840

tetradic

#4041B8 #B8407D #B8B740 #40B87B

square

#4041B8 #B8407D #B8B740 #40B87B

split-complementary

#4041B8 #B87B40 #7DB840

monochromatic

#20215D #30318B #4041B8 #6A6BCB #9798DB

Accessibility & contrast

On white

7.88

#4041B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4041B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041B8

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041B8	#FFFFFF	#000000	##FFFFFF
##4041B8	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004CB6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4041b8;
/* rgb */ color: rgb(64, 65, 184);
/* oklch */ color: oklch(45.2% 0.183 275.9);

Tailwind

colors: {
  custom: {
    50: '#8376ce',
    500: '#4041b8',
    950: '#000000',
  },
}

SCSS

$custom: #4041b8;
$custom-light: #8376ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4041b8",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 239.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45192,
    "c": 0.18271,
    "h": 275.9
  },
  "luminance": 0.08331
}

Semantic roles & 50–950 ramp

primary

#4041B8

secondary

#C7C68D

accent

#D750D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4041B8

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

Preview Lab → · Contrast checker → · Palette generator →