#4258C0#4258C0

#4258C0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.164 H 270.4°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4258C0
RGB	rgb(66, 88, 192)
HSL	hsl(230, 50%, 51%)
HSV	hsv(230, 66%, 75%)
CMYK	cmyk(65.6%, 54.2%, 0%, 24.7%)
CIE-LAB	lab(41.12, 25.46, -57.20)
CIE-LCH	lch(41.12, 62.61, 293.99°)
OKLab	oklab(50.21% 0.0012 -0.1643)
OKLCH	oklch(50.21% 0.164 270.4)
XYZ	xyz(15.2477, 11.9421, 51.3605)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258C0 #C0AA42

analogous

#4297C0 #4258C0 #6B42C0

triadic

#4258C0 #C04258 #58C042

tetradic

#4258C0 #C04297 #C0AA42 #42C06B

square

#4258C0 #C04297 #C0AA42 #42C06B

split-complementary

#4258C0 #C06B42 #97C042

monochromatic

#222E66 #314294 #4258C0 #7081CF #9EA9DF

Accessibility & contrast

On white

6.20

#4258C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#4258C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258C0

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258C0	#FFFFFF	#000000	##FFFFFF
##4258C0	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A67C4

Deuteranopia (green-blind)

#005CBE

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4258c0;
/* rgb */ color: rgb(66, 88, 192);
/* oklch */ color: oklch(50.2% 0.164 270.4);

Tailwind

colors: {
  custom: {
    50: '#8486d4',
    500: '#4258c0',
    950: '#000000',
  },
}

SCSS

$custom: #4258c0;
$custom-light: #8486d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4258c0",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 192
  },
  "hsl": {
    "h": 229.524,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5021,
    "c": 0.16435,
    "h": 270.4
  },
  "luminance": 0.11943
}

Semantic roles & 50–950 ramp

primary

#4258C0

secondary

#CBC193

accent

#C14EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4258C0

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

Preview Lab → · Contrast checker → · Palette generator →