#4258AD#4258AD

#4258AD is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.138 H 269.8°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4258AD
RGB	rgb(66, 88, 173)
HSL	hsl(228, 45%, 47%)
HSV	hsv(228, 62%, 68%)
CMYK	cmyk(61.8%, 49.1%, 0%, 32.2%)
CIE-LAB	lab(39.84, 18.75, -48.13)
CIE-LCH	lch(39.84, 51.65, 291.28°)
OKLab	oklab(48.83% -0.0005 -0.1377)
OKLCH	oklch(48.83% 0.138 269.8)
XYZ	xyz(13.2768, 11.1537, 40.9803)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258AD #AD9742

analogous

#428EAD #4258AD #6242AD

triadic

#4258AD #AD4258 #58AD42

tetradic

#4258AD #AD428E #AD9742 #42AD62

square

#4258AD #AD428E #AD9742 #42AD62

split-complementary

#4258AD #AD6242 #8EAD42

monochromatic

#202B54 #314181 #4258AD #677AC5 #93A1D6

Accessibility & contrast

On white

6.50

#4258AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4258AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258AD

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258AD	#FFFFFF	#000000	##FFFFFF
##4258AD	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C63B0

Deuteranopia (green-blind)

#1759AB

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4258ad;
/* rgb */ color: rgb(66, 88, 173);
/* oklch */ color: oklch(48.8% 0.138 269.8);

Tailwind

colors: {
  custom: {
    50: '#8086c6',
    500: '#4258ad',
    950: '#000000',
  },
}

SCSS

$custom: #4258ad;
$custom-light: #8086c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4258ad",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 173
  },
  "hsl": {
    "h": 227.664,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48827,
    "c": 0.13767,
    "h": 269.8
  },
  "luminance": 0.11155
}

Semantic roles & 50–950 ramp

primary

#4258AD

secondary

#C1B689

accent

#BA53D4

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4258AD

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

Preview Lab → · Contrast checker → · Palette generator →