#4259BA#4259BA

#4259BA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.155 H 269.9°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4259BA
RGB	rgb(66, 89, 186)
HSL	hsl(229, 48%, 49%)
HSV	hsv(229, 65%, 73%)
CMYK	cmyk(64.5%, 52.2%, 0%, 27.1%)
CIE-LAB	lab(40.97, 22.69, -53.94)
CIE-LCH	lch(40.97, 58.52, 292.82°)
OKLab	oklab(49.96% -0.0002 -0.1548)
OKLCH	oklch(49.96% 0.155 269.9)
XYZ	xyz(14.6791, 11.8469, 47.9580)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4259BA #BAA342

analogous

#4295BA #4259BA #6742BA

triadic

#4259BA #BA4259 #59BA42

tetradic

#4259BA #BA4295 #BAA342 #42BA67

square

#4259BA #BA4295 #BAA342 #42BA67

split-complementary

#4259BA #BA6742 #95BA42

monochromatic

#222E60 #32438D #4259BA #6E80CB #9BA7DB

Accessibility & contrast

On white

6.23

#4259BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4259BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259BA

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4259BA	#FFFFFF	#000000	##FFFFFF
##4259BA	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E66BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4259ba;
/* rgb */ color: rgb(66, 89, 186);
/* oklch */ color: oklch(50.0% 0.155 269.9);

Tailwind

colors: {
  custom: {
    50: '#8387cf',
    500: '#4259ba',
    950: '#000000',
  },
}

SCSS

$custom: #4259ba;
$custom-light: #8387cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4259ba",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 186
  },
  "hsl": {
    "h": 228.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49962,
    "c": 0.15476,
    "h": 269.9
  },
  "luminance": 0.11848
}

Semantic roles & 50–950 ramp

primary

#4259BA

secondary

#C8BD90

accent

#BD51D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4259BA

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

Preview Lab → · Contrast checker → · Palette generator →