#4259AE#4259AE

#4259AE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.138 H 269.4°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#4259AE
RGBrgb(66, 89, 174)
HSLhsl(227, 45%, 47%)
HSVhsv(227, 62%, 68%)
CMYKcmyk(62.1%, 48.9%, 0%, 31.8%)
CIE-LABlab(40.18, 18.45, -48.17)
CIE-LCHlch(40.18, 51.59, 290.96°)
OKLaboklab(49.11% -0.0014 -0.1378)
OKLCHoklch(49.11% 0.138 269.4)
XYZxyz(13.4565, 11.3579, 41.5193)
Luminance0.1136 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4259AE #AE9742
analogous
#428FAE #4259AE #6142AE
triadic
#4259AE #AE4259 #59AE42
tetradic
#4259AE #AE428F #AE9742 #42AE61
square
#4259AE #AE428F #AE9742 #42AE61
split-complementary
#4259AE #AE6142 #8FAE42
monochromatic
#202C55 #314282 #4259AE #687CC6 #94A2D6

Accessibility & contrast

On white

6.42
#4259AE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#4259AE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4259AE
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4259AE#FFFFFF#000000##FFFFFF
##4259AE1.006.423.276.42
#FFFFFF6.421.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D64B1
Deuteranopia (green-blind)
#195AAC
Tritanopia (blue-blind)
#006C7B
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #4259ae;
/* rgb */ color: rgb(66, 89, 174);
/* oklch */ color: oklch(49.1% 0.138 269.4);
Tailwind
colors: {
  custom: {
    50: '#8187c7',
    500: '#4259ae',
    950: '#000000',
  },
}
SCSS
$custom: #4259ae;
$custom-light: #8187c7;
$custom-dark: #000000;
JSON
{
  "hex": "#4259ae",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 174
  },
  "hsl": {
    "h": 227.222,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49105,
    "c": 0.1378,
    "h": 269.4
  },
  "luminance": 0.11359
}

Semantic roles & 50–950 ramp

primary
#4259AE
secondary
#C2B68A
accent
#B953D5
background
#F8F8FC
surface
#EFEFF8
border
#CACAD1
text
#0B0B13
muted
#7C7C82

Preview Lab

Preview with #4259AE

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

Preview Lab → · Contrast checker → · Palette generator →

#4259AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva