#4258C5#4258C5

#4258C5 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.171 H 270.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4258C5
RGB	rgb(66, 88, 197)
HSL	hsl(230, 53%, 52%)
HSV	hsv(230, 66%, 77%)
CMYK	cmyk(66.5%, 55.3%, 0%, 22.7%)
CIE-LAB	lab(41.48, 27.22, -59.52)
CIE-LCH	lch(41.48, 65.45, 294.58°)
OKLab	oklab(50.59% 0.0015 -0.1712)
OKLCH	oklch(50.59% 0.171 270.5)
XYZ	xyz(15.8111, 12.1675, 54.3278)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258C5 #C5AF42

analogous

#4299C5 #4258C5 #6E42C5

triadic

#4258C5 #C54258 #58C542

tetradic

#4258C5 #C54299 #C5AF42 #42C56E

square

#4258C5 #C54299 #C5AF42 #42C56E

split-complementary

#4258C5 #C56E42 #99C542

monochromatic

#212E6C #2F419A #4258C5 #7181D3 #A0ABE2

Accessibility & contrast

On white

6.12

#4258C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4258C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258C5

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258C5	#FFFFFF	#000000	##FFFFFF
##4258C5	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007286

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4258c5;
/* rgb */ color: rgb(66, 88, 197);
/* oklch */ color: oklch(50.6% 0.171 270.5);

Tailwind

colors: {
  custom: {
    50: '#8586d7',
    500: '#4258c5',
    950: '#000000',
  },
}

SCSS

$custom: #4258c5;
$custom-light: #8586d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4258c5",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 197
  },
  "hsl": {
    "h": 229.924,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50591,
    "c": 0.17121,
    "h": 270.5
  },
  "luminance": 0.12169
}

Semantic roles & 50–950 ramp

primary

#4258C5

secondary

#CEC595

accent

#C44BDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4258C5

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

Preview Lab → · Contrast checker → · Palette generator →