#4258C6#4258C6

#4258C6 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.173 H 270.5°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4258C6
RGB	rgb(66, 88, 198)
HSL	hsl(230, 54%, 52%)
HSV	hsv(230, 67%, 78%)
CMYK	cmyk(66.7%, 55.6%, 0%, 22.4%)
CIE-LAB	lab(41.55, 27.58, -59.99)
CIE-LCH	lch(41.55, 66.02, 294.69°)
OKLab	oklab(50.67% 0.0015 -0.1726)
OKLCH	oklch(50.67% 0.173 270.5)
XYZ	xyz(15.9261, 12.2134, 54.9333)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258C6 #C6B042

analogous

#429AC6 #4258C6 #6E42C6

triadic

#4258C6 #C64258 #58C642

tetradic

#4258C6 #C6429A #C6B042 #42C66E

square

#4258C6 #C6429A #C6B042 #42C66E

split-complementary

#4258C6 #C66E42 #9AC642

monochromatic

#212D6D #2F419C #4258C6 #7182D4 #A0ABE2

Accessibility & contrast

On white

6.10

#4258C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4258C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258C6

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258C6	#FFFFFF	#000000	##FFFFFF
##4258C6	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CA

Deuteranopia (green-blind)

#005CC4

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4258c6;
/* rgb */ color: rgb(66, 88, 198);
/* oklch */ color: oklch(50.7% 0.173 270.5);

Tailwind

colors: {
  custom: {
    50: '#8586d8',
    500: '#4258c6',
    950: '#000000',
  },
}

SCSS

$custom: #4258c6;
$custom-light: #8586d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4258c6",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 198
  },
  "hsl": {
    "h": 230,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50668,
    "c": 0.17257,
    "h": 270.5
  },
  "luminance": 0.12215
}

Semantic roles & 50–950 ramp

primary

#4258C6

secondary

#CFC595

accent

#C54BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4258C6

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

Preview Lab → · Contrast checker → · Palette generator →