#4258AF#4258AF

#4258AF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.0% C 0.141 H 269.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4258AF
RGB	rgb(66, 88, 175)
HSL	hsl(228, 45%, 47%)
HSV	hsv(228, 62%, 69%)
CMYK	cmyk(62.3%, 49.7%, 0%, 31.4%)
CIE-LAB	lab(39.97, 19.45, -49.10)
CIE-LCH	lch(39.97, 52.81, 291.61°)
OKLab	oklab(48.97% -0.0003 -0.1405)
OKLCH	oklch(48.97% 0.141 269.9)
XYZ	xyz(13.4717, 11.2317, 42.0071)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4258AF #AF9942

analogous

#428FAF #4258AF #6342AF

triadic

#4258AF #AF4258 #58AF42

tetradic

#4258AF #AF428F #AF9942 #42AF63

square

#4258AF #AF428F #AF9942 #42AF63

split-complementary

#4258AF #AF6342 #8FAF42

monochromatic

#202B56 #314283 #4258AF #687BC6 #95A2D7

Accessibility & contrast

On white

6.47

#4258AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4258AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4258AF

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4258AF	#FFFFFF	#000000	##FFFFFF
##4258AF	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A63B2

Deuteranopia (green-blind)

#125AAD

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4258af;
/* rgb */ color: rgb(66, 88, 175);
/* oklch */ color: oklch(49.0% 0.141 269.9);

Tailwind

colors: {
  custom: {
    50: '#8186c7',
    500: '#4258af',
    950: '#000000',
  },
}

SCSS

$custom: #4258af;
$custom-light: #8186c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4258af",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 175
  },
  "hsl": {
    "h": 227.89,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48968,
    "c": 0.14053,
    "h": 269.9
  },
  "luminance": 0.11233
}

Semantic roles & 50–950 ramp

primary

#4258AF

secondary

#C2B78A

accent

#BB53D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4258AF

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

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