#4258A2#4258A2

#4258A2 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.1% C 0.122 H 269.0°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4258A2
RGB	rgb(66, 88, 162)
HSL	hsl(226, 42%, 45%)
HSV	hsv(226, 59%, 64%)
CMYK	cmyk(59.3%, 45.7%, 0%, 36.5%)
CIE-LAB	lab(39.15, 14.89, -42.70)
CIE-LCH	lch(39.15, 45.23, 289.23°)
OKLab	oklab(48.08% -0.0021 -0.1217)
OKLCH	oklch(48.08% 0.122 269)
XYZ	xyz(12.2559, 10.7454, 35.6036)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258A2 #A28C42

analogous

#4288A2 #4258A2 #5C42A2

triadic

#4258A2 #A24258 #58A242

tetradic

#4258A2 #A24288 #A28C42 #42A25C

square

#4258A2 #A24288 #A28C42 #42A25C

split-complementary

#4258A2 #A25C42 #88A242

monochromatic

#1F294B #304077 #4258A2 #6277BF #8E9DD1

Accessibility & contrast

On white

6.67

#4258A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4258A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258A2

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258A2	#FFFFFF	#000000	##FFFFFF
##4258A2	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3661A5

Deuteranopia (green-blind)

#2858A0

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4258a2;
/* rgb */ color: rgb(66, 88, 162);
/* oklch */ color: oklch(48.1% 0.122 269.0);

Tailwind

colors: {
  custom: {
    50: '#7f86be',
    500: '#4258a2',
    950: '#000000',
  },
}

SCSS

$custom: #4258a2;
$custom-light: #7f86be;
$custom-dark: #000000;

JSON

{
  "hex": "#4258a2",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 162
  },
  "hsl": {
    "h": 226.25,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48079,
    "c": 0.12174,
    "h": 269
  },
  "luminance": 0.10746
}

Semantic roles & 50–950 ramp

primary

#4258A2

secondary

#BCAF84

accent

#B556D2

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4258A2

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

Preview Lab → · Contrast checker → · Palette generator →