#434CAC
Closest named color: Blueberry (#464196). oklch(46.4% 0.152 274.8), rgb(67, 76, 172).
Aa
White text reads best on this color (7.32:1).
About this color
#434CAC is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.152 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.043 away. White text reads best on it, at 7.32:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #434CAC |
| RGB | rgb(67, 76, 172) |
| HSL | hsl(235, 44%, 47%) |
| OKLCH | oklch(46.4% 0.152 274.8) |
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 #434CAC | 7.32:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #434CAC | 2.86:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #434CAC text on white | 7.32:1 | AAA | Lc 85.1 | Fine for body text |
| #434CAC text on black | 2.86:1 | Fails | Lc -16.9 | 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BEF1
oklch(81% 0.073 274.3)
-
Step 400
400
#8B9AEA
oklch(70.7% 0.118 274.9)
-
Step 500
500
#707FE3
oklch(63.1% 0.15 274.8)
-
Step 600
600
#5A66D1
oklch(55.6% 0.163 275)
-
Step 700
700 (this color)
#434CAC
oklch(46.4% 0.152 274.8)
-
Step 800
800
#3C4592
oklch(42.6% 0.126 274.7)
-
Step 900
900
#333B75
oklch(37.7% 0.099 274.8)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#434CAC 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) | #005BAF | 0.056 |
| Deuteranopia (no green cones) | #0052AA | 0.051 |
| Tritanopia (no blue cones) | #006374 | 0.132 |
| Achromatopsia (no color) | #565656 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434CAC
#434CAC
oklch(46.4% 0.152 274.8)
- #6A5800
#6A5800
oklch(46.5% 0.095 95.2)
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 #434CAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Twilight #4E518B ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.063
- Blue Blue #2242C7 ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.065
- Dusk Blue #26538D ΔE 0.065
Use #434CAC 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.