#4258AE#4258AE

#4258AE is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.139 H 269.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4258AE
RGB	rgb(66, 88, 174)
HSL	hsl(228, 45%, 47%)
HSV	hsv(228, 62%, 68%)
CMYK	cmyk(62.1%, 49.4%, 0%, 31.8%)
CIE-LAB	lab(39.90, 19.10, -48.61)
CIE-LCH	lch(39.90, 52.23, 291.45°)
OKLab	oklab(48.9% -0.0004 -0.1391)
OKLCH	oklch(48.9% 0.139 269.8)
XYZ	xyz(13.3739, 11.1926, 41.4918)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258AE #AE9842

analogous

#428EAE #4258AE #6242AE

triadic

#4258AE #AE4258 #58AE42

tetradic

#4258AE #AE428E #AE9842 #42AE62

square

#4258AE #AE428E #AE9842 #42AE62

split-complementary

#4258AE #AE6242 #8EAE42

monochromatic

#202B55 #314282 #4258AE #687BC6 #94A2D6

Accessibility & contrast

On white

6.48

#4258AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4258AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258AE

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258AE	#FFFFFF	#000000	##FFFFFF
##4258AE	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B63B1

Deuteranopia (green-blind)

#1559AC

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4258ae;
/* rgb */ color: rgb(66, 88, 174);
/* oklch */ color: oklch(48.9% 0.139 269.8);

Tailwind

colors: {
  custom: {
    50: '#8186c7',
    500: '#4258ae',
    950: '#000000',
  },
}

SCSS

$custom: #4258ae;
$custom-light: #8186c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4258ae",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 174
  },
  "hsl": {
    "h": 227.778,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48897,
    "c": 0.1391,
    "h": 269.8
  },
  "luminance": 0.11194
}

Semantic roles & 50–950 ramp

primary

#4258AE

secondary

#C2B78A

accent

#BA53D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4258AE

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

Preview Lab → · Contrast checker → · Palette generator →