#434A9C
Closest named color: Blueberry (#464196). oklch(44.8% 0.132 276), rgb(67, 74, 156).
Aa
White text reads best on this color (7.78:1).
About this color
#434A9C is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.132 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.024 away. White text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #434A9C |
| RGB | rgb(67, 74, 156) |
| HSL | hsl(235, 40%, 44%) |
| OKLCH | oklch(44.8% 0.132 276) |
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 #434A9C | 7.78:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #434A9C | 2.69:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #434A9C text on white | 7.78:1 | AAA | Lc 86.8 | Fine for body text |
| #434A9C text on black | 2.69:1 | Fails | Lc -15.3 | 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 800.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B3BDF3
oklch(80.9% 0.077 276.4)
-
Step 400
400
#8C99ED
oklch(70.7% 0.124 276.1)
-
Step 500
500
#717DE7
oklch(63% 0.158 276)
-
Step 600
600
#5B64D5
oklch(55.6% 0.171 275.9)
-
Step 700
700
#4B52B8
oklch(49% 0.159 275.9)
-
Step 800
800 (this color)
#434A9C
oklch(44.8% 0.132 276)
-
Step 900
900
#343A77
oklch(37.7% 0.103 276.1)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#434A9C 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) | #1D569F | 0.046 |
| Deuteranopia (no green cones) | #0C4F9A | 0.050 |
| Tritanopia (no blue cones) | #115D6C | 0.116 |
| Achromatopsia (no color) | #525252 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434A9C
#434A9C
oklch(44.8% 0.132 276)
- #645400
#645400
oklch(44.8% 0.092 96.3)
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 #434A9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.024
- Twilight #4E518B ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.041
- Dusk Blue #26538D ΔE 0.048
- Cobalt #1E488F ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.052
- Dusk #4E5481 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.063
Use #434A9C 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.