#4259C5#4259C5

#4259C5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.170 H 270.2°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4259C5
RGB	rgb(66, 89, 197)
HSL	hsl(229, 53%, 52%)
HSV	hsv(229, 66%, 77%)
CMYK	cmyk(66.5%, 54.8%, 0%, 22.7%)
CIE-LAB	lab(41.74, 26.59, -59.10)
CIE-LCH	lch(41.74, 64.81, 294.22°)
OKLab	oklab(50.79% 0.0006 -0.1699)
OKLCH	oklch(50.79% 0.17 270.2)
XYZ	xyz(15.8938, 12.3327, 54.3554)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259C5 #C5AE42

analogous

#429AC5 #4259C5 #6D42C5

triadic

#4259C5 #C54259 #59C542

tetradic

#4259C5 #C5429A #C5AE42 #42C56D

square

#4259C5 #C5429A #C5AE42 #42C56D

split-complementary

#4259C5 #C56D42 #9AC542

monochromatic

#212E6C #2F429A #4259C5 #7182D3 #A0ABE2

Accessibility & contrast

On white

6.06

#4259C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4259C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259C5

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259C5	#FFFFFF	#000000	##FFFFFF
##4259C5	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069C9

Deuteranopia (green-blind)

#005DC3

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4259c5;
/* rgb */ color: rgb(66, 89, 197);
/* oklch */ color: oklch(50.8% 0.170 270.2);

Tailwind

colors: {
  custom: {
    50: '#8587d7',
    500: '#4259c5',
    950: '#000000',
  },
}

SCSS

$custom: #4259c5;
$custom-light: #8587d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4259c5",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 197
  },
  "hsl": {
    "h": 229.466,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50785,
    "c": 0.16995,
    "h": 270.2
  },
  "luminance": 0.12334
}

Semantic roles & 50–950 ramp

primary

#4259C5

secondary

#CEC495

accent

#C34BDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4259C5

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

Preview Lab → · Contrast checker → · Palette generator →