#4263A5#4263A5

#4263A5 is a mid, moderate blue. Relative luminance 0.128; OKLCH L 50.7% C 0.112 H 262.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4263A5
RGB	rgb(66, 99, 165)
HSL	hsl(220, 43%, 45%)
HSV	hsv(220, 60%, 65%)
CMYK	cmyk(60%, 40%, 0%, 35.3%)
CIE-LAB	lab(42.46, 8.90, -39.22)
CIE-LCH	lch(42.46, 40.21, 282.78°)
OKLab	oklab(50.68% -0.0138 -0.1114)
OKLCH	oklch(50.68% 0.112 262.9)
XYZ	xyz(13.4978, 12.7974, 37.3489)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263A5 #A58442

analogous

#4294A5 #4263A5 #5242A5

triadic

#4263A5 #A54263 #63A542

tetradic

#4263A5 #A54294 #A58442 #42A552

square

#4263A5 #A54294 #A58442 #42A552

split-complementary

#4263A5 #A55242 #94A542

monochromatic

#1F2F4E #314979 #4263A5 #6383C1 #8FA6D2

Accessibility & contrast

On white

5.90

#4263A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4263A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263A5

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263A5	#FFFFFF	#000000	##FFFFFF
##4263A5	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4769A8

Deuteranopia (green-blind)

#3A60A4

Tritanopia (blue-blind)

#00727C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4263a5;
/* rgb */ color: rgb(66, 99, 165);
/* oklch */ color: oklch(50.7% 0.112 262.9);

Tailwind

colors: {
  custom: {
    50: '#7f8fc0',
    500: '#4263a5',
    950: '#000000',
  },
}

SCSS

$custom: #4263a5;
$custom-light: #7f8fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#4263a5",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 165
  },
  "hsl": {
    "h": 220,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5068,
    "c": 0.11222,
    "h": 262.9
  },
  "luminance": 0.12799
}

Semantic roles & 50–950 ramp

primary

#4263A5

secondary

#BDAB85

accent

#A955D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #4263A5

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

Preview Lab → · Contrast checker → · Palette generator →