#4259B7#4259B7

#4259B7 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.151 H 269.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4259B7
RGB	rgb(66, 89, 183)
HSL	hsl(228, 47%, 49%)
HSV	hsv(228, 64%, 72%)
CMYK	cmyk(63.9%, 51.4%, 0%, 28.2%)
CIE-LAB	lab(40.77, 21.63, -52.52)
CIE-LCH	lch(40.77, 56.80, 292.39°)
OKLab	oklab(49.74% -0.0004 -0.1506)
OKLCH	oklch(49.74% 0.151 269.8)
XYZ	xyz(14.3635, 11.7206, 46.2959)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259B7 #B7A042

analogous

#4294B7 #4259B7 #6642B7

triadic

#4259B7 #B74259 #59B742

tetradic

#4259B7 #B74294 #B7A042 #42B766

square

#4259B7 #B74294 #B7A042 #42B766

split-complementary

#4259B7 #B76642 #94B742

monochromatic

#222D5D #32438A #4259B7 #6C7FCA #99A6DA

Accessibility & contrast

On white

6.28

#4259B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4259B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259B7

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259B7	#FFFFFF	#000000	##FFFFFF
##4259B7	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2366BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4259b7;
/* rgb */ color: rgb(66, 89, 183);
/* oklch */ color: oklch(49.7% 0.151 269.8);

Tailwind

colors: {
  custom: {
    50: '#8287cd',
    500: '#4259b7',
    950: '#000000',
  },
}

SCSS

$custom: #4259b7;
$custom-light: #8287cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4259b7",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 183
  },
  "hsl": {
    "h": 228.205,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49744,
    "c": 0.15056,
    "h": 269.8
  },
  "luminance": 0.11722
}

Semantic roles & 50–950 ramp

primary

#4259B7

secondary

#C6BB8F

accent

#BC51D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4259B7

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

Preview Lab → · Contrast checker → · Palette generator →