#4259AA#4259AA

#4259AA is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.132 H 269.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4259AA
RGB	rgb(66, 89, 170)
HSL	hsl(227, 44%, 46%)
HSV	hsv(227, 61%, 67%)
CMYK	cmyk(61.2%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(39.92, 17.05, -46.22)
CIE-LCH	lch(39.92, 49.26, 290.25°)
OKLab	oklab(48.83% -0.002 -0.132)
OKLCH	oklch(48.83% 0.132 269.1)
XYZ	xyz(13.0724, 11.2042, 39.4962)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259AA #AA9342

analogous

#428DAA #4259AA #5F42AA

triadic

#4259AA #AA4259 #59AA42

tetradic

#4259AA #AA428D #AA9342 #42AA5F

square

#4259AA #AA428D #AA9342 #42AA5F

split-complementary

#4259AA #AA5F42 #8DAA42

monochromatic

#202B52 #31427E #4259AA #667AC3 #92A1D5

Accessibility & contrast

On white

6.48

#4259AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4259AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259AA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259AA	#FFFFFF	#000000	##FFFFFF
##4259AA	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3163AD

Deuteranopia (green-blind)

#205AA8

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4259aa;
/* rgb */ color: rgb(66, 89, 170);
/* oklch */ color: oklch(48.8% 0.132 269.1);

Tailwind

colors: {
  custom: {
    50: '#8087c4',
    500: '#4259aa',
    950: '#000000',
  },
}

SCSS

$custom: #4259aa;
$custom-light: #8087c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4259aa",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 226.731,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4883,
    "c": 0.13205,
    "h": 269.1
  },
  "luminance": 0.11205
}

Semantic roles & 50–950 ramp

primary

#4259AA

secondary

#C0B488

accent

#B854D4

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4259AA

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

Preview Lab → · Contrast checker → · Palette generator →