#4041BC#4041BC

#4041BC is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.188 H 275.6°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4041BC
RGB	rgb(64, 65, 188)
HSL	hsl(240, 49%, 49%)
HSV	hsv(240, 66%, 74%)
CMYK	cmyk(66%, 65.4%, 0%, 26.3%)
CIE-LAB	lab(35.00, 38.29, -64.82)
CIE-LCH	lch(35.00, 75.29, 300.57°)
OKLab	oklab(45.55% 0.0183 -0.187)
OKLCH	oklch(45.55% 0.188 275.6)
XYZ	xyz(13.0788, 8.5003, 48.5187)
Luminance	0.0850 (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

#4041BC #BCBB40

analogous

#407FBC #4041BC #7D40BC

triadic

#4041BC #BC4041 #41BC40

tetradic

#4041BC #BC407F #BCBB40 #40BC7D

square

#4041BC #BC407F #BCBB40 #40BC7D

split-complementary

#4041BC #BC7D40 #7FBC40

monochromatic

#212161 #30318E #4041BC #6C6DCD #9A9ADD

Accessibility & contrast

On white

7.78

#4041BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4041BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4041BC

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041BC	#FFFFFF	#000000	##FFFFFF
##4041BC	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4041bc;
/* rgb */ color: rgb(64, 65, 188);
/* oklch */ color: oklch(45.5% 0.188 275.6);

Tailwind

colors: {
  custom: {
    50: '#8476d1',
    500: '#4041bc',
    950: '#000000',
  },
}

SCSS

$custom: #4041bc;
$custom-light: #8476d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4041bc",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 188
  },
  "hsl": {
    "h": 239.516,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45547,
    "c": 0.18792,
    "h": 275.6
  },
  "luminance": 0.08501
}

Semantic roles & 50–950 ramp

primary

#4041BC

secondary

#C9C88F

accent

#D84FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4041BC

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

Preview Lab → · Contrast checker → · Palette generator →