#434BA4
Closest named color: Blueberry (#464196). oklch(45.6% 0.142 275.4), rgb(67, 75, 164).
Aa
White text reads best on this color (7.55:1).
About this color
#434BA4 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.142 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.032 away. White text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.78:1 |
| White text | 7.55:1 |
Values
| HEX | #434BA4 |
| RGB | rgb(67, 75, 164) |
| HSL | hsl(235, 42%, 45%) |
| OKLCH | oklch(45.6% 0.142 275.4) |
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 #434BA4 | 7.55:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #434BA4 | 2.78:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #434BA4 text on white | 7.55:1 | AAA | Lc 85.9 | Fine for body text |
| #434BA4 text on black | 2.78:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B1BDF7
oklch(81% 0.083 275.3)
-
Step 400
400
#8A98F2
oklch(70.6% 0.132 275.8)
-
Step 500
500
#6F7CEE
oklch(63.1% 0.17 275.5)
-
Step 600
600
#5962DC
oklch(55.6% 0.184 275.5)
-
Step 700
700
#4950BF
oklch(49% 0.171 275.4)
-
Step 800
800 (this color)
#434BA4
oklch(45.6% 0.142 275.4)
-
Step 900
900
#32397B
oklch(37.6% 0.111 275.2)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#434BA4 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) | #1358A7 | 0.050 |
| Deuteranopia (no green cones) | #0050A2 | 0.052 |
| Tritanopia (no blue cones) | #006070 | 0.125 |
| Achromatopsia (no color) | #545454 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434BA4
#434BA4
oklch(45.6% 0.142 275.4)
- #675600
#675600
oklch(45.7% 0.094 95.7)
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 #434BA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.032
- Twilight #4E518B ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.051
- Dusk Blue #26538D ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.057
- Cobalt #1E488F ΔE 0.057
- Dusky Blue #475F94 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
Use #434BA4 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.