#4041A9#4041A9

#4041A9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.163 H 276.9°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#4041A9
RGB	rgb(64, 65, 169)
HSL	hsl(239, 45%, 46%)
HSV	hsv(239, 62%, 66%)
CMYK	cmyk(62.1%, 61.5%, 0%, 33.7%)
CIE-LAB	lab(33.42, 31.83, -56.13)
CIE-LCH	lch(33.42, 64.53, 299.56°)
OKLab	oklab(43.9% 0.0196 -0.1615)
OKLCH	oklch(43.9% 0.163 276.9)
XYZ	xyz(11.1638, 7.7343, 38.4330)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4041A9 #A9A840

analogous

#4075A9 #4041A9 #7440A9

triadic

#4041A9 #A94041 #41A940

tetradic

#4041A9 #A94075 #A9A840 #40A974

square

#4041A9 #A94075 #A9A840 #40A974

split-complementary

#4041A9 #A97440 #75A940

monochromatic

#1E1F50 #2F307D #4041A9 #6263C4 #8F90D5

Accessibility & contrast

On white

8.24

#4041A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4041A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041A9

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041A9	#FFFFFF	#000000	##FFFFFF
##4041A9	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AC

Deuteranopia (green-blind)

#004AA7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4041a9;
/* rgb */ color: rgb(64, 65, 169);
/* oklch */ color: oklch(43.9% 0.163 276.9);

Tailwind

colors: {
  custom: {
    50: '#8076c3',
    500: '#4041a9',
    950: '#000000',
  },
}

SCSS

$custom: #4041a9;
$custom-light: #8076c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4041a9",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 169
  },
  "hsl": {
    "h": 239.429,
    "s": 45.064,
    "l": 45.686
  },
  "oklch": {
    "l": 0.439,
    "c": 0.1627,
    "h": 276.9
  },
  "luminance": 0.07735
}

Semantic roles & 50–950 ramp

primary

#4041A9

secondary

#C0BF85

accent

#D453D5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #4041A9

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

Preview Lab → · Contrast checker → · Palette generator →