#4053B3#4053B3

#4053B3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.1% C 0.153 H 271.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4053B3
RGB	rgb(64, 83, 179)
HSL	hsl(230, 47%, 48%)
HSV	hsv(230, 64%, 70%)
CMYK	cmyk(64.2%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(38.78, 23.74, -53.38)
CIE-LCH	lch(38.78, 58.43, 293.98°)
OKLab	oklab(48.12% 0.003 -0.1532)
OKLCH	oklch(48.12% 0.153 271.1)
XYZ	xyz(13.3416, 10.5300, 43.9685)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4053B3 #B3A040

analogous

#408CB3 #4053B3 #6640B3

triadic

#4053B3 #B34053 #53B340

tetradic

#4053B3 #B3408C #B3A040 #40B366

square

#4053B3 #B3408C #B3A040 #40B366

split-complementary

#4053B3 #B36640 #8CB340

monochromatic

#202959 #303E86 #4053B3 #6777C9 #94A0D9

Accessibility & contrast

On white

6.76

#4053B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4053B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4053B3

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4053B3	#FFFFFF	#000000	##FFFFFF
##4053B3	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1361B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4053b3;
/* rgb */ color: rgb(64, 83, 179);
/* oklch */ color: oklch(48.1% 0.153 271.1);

Tailwind

colors: {
  custom: {
    50: '#8183ca',
    500: '#4053b3',
    950: '#000000',
  },
}

SCSS

$custom: #4053b3;
$custom-light: #8183ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4053b3",
  "rgb": {
    "r": 64,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 230.087,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48123,
    "c": 0.15327,
    "h": 271.1
  },
  "luminance": 0.10531
}

Semantic roles & 50–950 ramp

primary

#4053B3

secondary

#C4BB8A

accent

#C151D7

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4053B3

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

Preview Lab → · Contrast checker → · Palette generator →