#4258BE#4258BE

#4258BE is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.162 H 270.4°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4258BE
RGB	rgb(66, 88, 190)
HSL	hsl(229, 49%, 50%)
HSV	hsv(229, 65%, 75%)
CMYK	cmyk(65.3%, 53.7%, 0%, 25.5%)
CIE-LAB	lab(40.98, 24.75, -56.26)
CIE-LCH	lch(40.98, 61.46, 293.75°)
OKLab	oklab(50.06% 0.0011 -0.1616)
OKLCH	oklch(50.06% 0.162 270.4)
XYZ	xyz(15.0276, 11.8540, 50.2013)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258BE #BEA842

analogous

#4296BE #4258BE #6A42BE

triadic

#4258BE #BE4258 #58BE42

tetradic

#4258BE #BE4296 #BEA842 #42BE6A

square

#4258BE #BE4296 #BEA842 #42BE6A

split-complementary

#4258BE #BE6A42 #96BE42

monochromatic

#222E63 #324391 #4258BE #7080CE #9DA8DD

Accessibility & contrast

On white

6.23

#4258BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4258BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258BE

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258BE	#FFFFFF	#000000	##FFFFFF
##4258BE	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1166C2

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4258be;
/* rgb */ color: rgb(66, 88, 190);
/* oklch */ color: oklch(50.1% 0.162 270.4);

Tailwind

colors: {
  custom: {
    50: '#8486d2',
    500: '#4258be',
    950: '#000000',
  },
}

SCSS

$custom: #4258be;
$custom-light: #8486d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4258be",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 190
  },
  "hsl": {
    "h": 229.355,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50059,
    "c": 0.16159,
    "h": 270.4
  },
  "luminance": 0.11855
}

Semantic roles & 50–950 ramp

primary

#4258BE

secondary

#CAC092

accent

#C04FD8

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4258BE

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

Preview Lab → · Contrast checker → · Palette generator →