#434DAC
Closest named color: Blueberry (#464196). oklch(46.6% 0.15 274.5), rgb(67, 77, 172).
Aa
White text reads best on this color (7.25:1).
About this color
#434DAC is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.150 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.044 away. White text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #434DAC |
| RGB | rgb(67, 77, 172) |
| HSL | hsl(234, 44%, 47%) |
| OKLCH | oklch(46.6% 0.15 274.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #434DAC | 7.25:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #434DAC | 2.89:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #434DAC text on white | 7.25:1 | AAA | Lc 84.9 | Fine for body text |
| #434DAC text on black | 2.89:1 | Fails | Lc -17.1 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400
#8B9AE9
oklch(70.6% 0.117 274.8)
-
Step 500
500
#6F7FE2
oklch(63% 0.149 274.4)
-
Step 600
600
#5966D0
oklch(55.5% 0.162 274.6)
-
Step 700
700 (this color)
#434DAC
oklch(46.6% 0.15 274.5)
-
Step 800
800
#3C4692
oklch(42.8% 0.124 274.3)
-
Step 900
900
#333B74
oklch(37.6% 0.097 274.7)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#434DAC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #075BAF | 0.053 |
| Deuteranopia (no green cones) | #0052AA | 0.051 |
| Tritanopia (no blue cones) | #006375 | 0.129 |
| Achromatopsia (no color) | #575757 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434DAC
#434DAC
oklch(46.6% 0.15 274.5)
- #6B5800
#6B5800
oklch(46.6% 0.096 94.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #434DAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.044
- Twilight #4E518B ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.064
- Dusk Blue #26538D ΔE 0.064
- Blue Blue #2242C7 ΔE 0.064
- Cobalt #1E488F ΔE 0.067
Use #434DAC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.