#4259A9#4259A9

#4259A9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.131 H 269.1°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4259A9
RGB	rgb(66, 89, 169)
HSL	hsl(227, 44%, 46%)
HSV	hsv(227, 61%, 66%)
CMYK	cmyk(60.9%, 47.3%, 0%, 33.7%)
CIE-LAB	lab(39.86, 16.70, -45.73)
CIE-LCH	lch(39.86, 48.68, 290.06°)
OKLab	oklab(48.76% -0.0021 -0.1306)
OKLCH	oklch(48.76% 0.131 269.1)
XYZ	xyz(12.9782, 11.1665, 38.9999)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259A9 #A99242

analogous

#428CA9 #4259A9 #5E42A9

triadic

#4259A9 #A94259 #59A942

tetradic

#4259A9 #A9428C #A99242 #42A95E

square

#4259A9 #A9428C #A99242 #42A95E

split-complementary

#4259A9 #A95E42 #8CA942

monochromatic

#202B51 #31427D #4259A9 #657AC3 #91A0D4

Accessibility & contrast

On white

6.49

#4259A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4259A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259A9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259A9	#FFFFFF	#000000	##FFFFFF
##4259A9	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AC

Deuteranopia (green-blind)

#215AA7

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4259a9;
/* rgb */ color: rgb(66, 89, 169);
/* oklch */ color: oklch(48.8% 0.131 269.1);

Tailwind

colors: {
  custom: {
    50: '#8087c3',
    500: '#4259a9',
    950: '#000000',
  },
}

SCSS

$custom: #4259a9;
$custom-light: #8087c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4259a9",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 169
  },
  "hsl": {
    "h": 226.602,
    "s": 43.83,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48762,
    "c": 0.13061,
    "h": 269.1
  },
  "luminance": 0.11168
}

Semantic roles & 50–950 ramp

primary

#4259A9

secondary

#C0B387

accent

#B754D4

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4259A9

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

Preview Lab → · Contrast checker → · Palette generator →