#4537DD#4537DD

#4537DD is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.6% C 0.237 H 276.2°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#4537DD
RGB	rgb(69, 55, 221)
HSL	hsl(245, 71%, 54%)
HSV	hsv(245, 75%, 87%)
CMYK	cmyk(68.8%, 75.1%, 0%, 13.3%)
CIE-LAB	lab(36.40, 55.13, -81.68)
CIE-LCH	lch(36.40, 98.54, 304.01°)
OKLab	oklab(47.57% 0.0255 -0.2361)
OKLCH	oklch(47.57% 0.237 276.2)
XYZ	xyz(16.8673, 9.2165, 69.2826)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.58

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4537DD #CFDD37

analogous

#377CDD #4537DD #9837DD

triadic

#4537DD #DD4537 #37DD45

tetradic

#4537DD #DD377C #CFDD37 #37DD98

square

#4537DD #DD377C #CFDD37 #37DD98

split-complementary

#4537DD #DD9837 #7CDD37

monochromatic

#201683 #2C1FB8 #4537DD #766BE6 #A6A0EF

Accessibility & contrast

On white

7.39

#4537DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4537DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4537DD

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4537DD	#FFFFFF	#000000	##FFFFFF
##4537DD	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DE2

Deuteranopia (green-blind)

#004EDA

Tritanopia (blue-blind)

#006888

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4537dd;
/* rgb */ color: rgb(69, 55, 221);
/* oklch */ color: oklch(47.6% 0.237 276.2);

Tailwind

colors: {
  custom: {
    50: '#8e71e9',
    500: '#4537dd',
    950: '#000000',
  },
}

SCSS

$custom: #4537dd;
$custom-light: #8e71e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4537dd",
  "rgb": {
    "r": 69,
    "g": 55,
    "b": 221
  },
  "hsl": {
    "h": 245.06,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.47569,
    "c": 0.23748,
    "h": 276.2
  },
  "luminance": 0.09218
}

Semantic roles & 50–950 ramp

primary

#4537DD

secondary

#D5DB95

accent

#EE3ADF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4537DD

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

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