#4153D9#4153D9

#4153D9 is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.2% C 0.204 H 271.3°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4153D9
RGB	rgb(65, 83, 217)
HSL	hsl(233, 67%, 55%)
HSV	hsv(233, 70%, 85%)
CMYK	cmyk(70%, 61.8%, 0%, 14.9%)
CIE-LAB	lab(41.72, 37.25, -70.66)
CIE-LCH	lch(41.72, 79.88, 297.79°)
OKLab	oklab(51.23% 0.0045 -0.204)
OKLCH	oklch(51.23% 0.204 271.3)
XYZ	xyz(17.7934, 12.3183, 67.0721)
Luminance	0.1232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4153D9 #D9C741

analogous

#419FD9 #4153D9 #7B41D9

triadic

#4153D9 #D94153 #53D941

tetradic

#4153D9 #D9419F #D9C741 #41D97B

square

#4153D9 #D9419F #D9C741 #41D97B

split-complementary

#4153D9 #D97B41 #9FD941

monochromatic

#1B2785 #2536B8 #4153D9 #7481E3 #A7AFED

Accessibility & contrast

On white

6.06

#4153D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4153D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153D9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4153D9	#FFFFFF	#000000	##FFFFFF
##4153D9	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#005CD6

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4153d9;
/* rgb */ color: rgb(65, 83, 217);
/* oklch */ color: oklch(51.2% 0.204 271.3);

Tailwind

colors: {
  custom: {
    50: '#8983e6',
    500: '#4153d9',
    950: '#000000',
  },
}

SCSS

$custom: #4153d9;
$custom-light: #8983e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4153d9",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 217
  },
  "hsl": {
    "h": 232.895,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51233,
    "c": 0.20404,
    "h": 271.3
  },
  "luminance": 0.1232
}

Semantic roles & 50–950 ramp

primary

#4153D9

secondary

#DBD39B

accent

#D53EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4153D9

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

Preview Lab → · Contrast checker → · Palette generator →