#4258AC#4258AC

#4258AC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.136 H 269.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4258AC
RGB	rgb(66, 88, 172)
HSL	hsl(228, 45%, 47%)
HSV	hsv(228, 62%, 67%)
CMYK	cmyk(61.6%, 48.8%, 0%, 32.5%)
CIE-LAB	lab(39.77, 18.40, -47.64)
CIE-LCH	lch(39.77, 51.07, 291.12°)
OKLab	oklab(48.76% -0.0006 -0.1362)
OKLCH	oklch(48.76% 0.136 269.7)
XYZ	xyz(13.1804, 11.1152, 40.4726)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258AC #AC9642

analogous

#428DAC #4258AC #6142AC

triadic

#4258AC #AC4258 #58AC42

tetradic

#4258AC #AC428D #AC9642 #42AC61

square

#4258AC #AC428D #AC9642 #42AC61

split-complementary

#4258AC #AC6142 #8DAC42

monochromatic

#202B54 #314180 #4258AC #677AC5 #93A1D6

Accessibility & contrast

On white

6.52

#4258AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4258AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258AC

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258AC	#FFFFFF	#000000	##FFFFFF
##4258AC	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63AF

Deuteranopia (green-blind)

#1959AA

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4258ac;
/* rgb */ color: rgb(66, 88, 172);
/* oklch */ color: oklch(48.8% 0.136 269.7);

Tailwind

colors: {
  custom: {
    50: '#8086c5',
    500: '#4258ac',
    950: '#000000',
  },
}

SCSS

$custom: #4258ac;
$custom-light: #8086c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4258ac",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 172
  },
  "hsl": {
    "h": 227.547,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48758,
    "c": 0.13623,
    "h": 269.7
  },
  "luminance": 0.11116
}

Semantic roles & 50–950 ramp

primary

#4258AC

secondary

#C1B589

accent

#BA54D4

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4258AC

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

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