#433CAB
Closest named color: Blueberry (#464196). oklch(43.4% 0.171 279.3), rgb(67, 60, 171).
Aa
White text reads best on this color (8.49:1).
About this color
#433CAB is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.171 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.037 away. White text reads best on it, at 8.49:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #433CAB |
| RGB | rgb(67, 60, 171) |
| HSL | hsl(244, 48%, 45%) |
| OKLCH | oklch(43.4% 0.171 279.3) |
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 #433CAB | 8.49:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #433CAB | 2.47:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #433CAB text on white | 8.49:1 | AAA | Lc 88.7 | Fine for body text |
| #433CAB text on black | 2.47:1 | Fails | Lc -13.5 | Not readable |
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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D1D6FE
oklch(88.5% 0.055 279.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8E93FF
oklch(70.6% 0.156 279.6)
-
Step 500
500
#7573FF
oklch(63% 0.202 279.5)
-
Step 600
600
#6056F0
oklch(55.6% 0.222 279.2)
-
Step 700
700
#5045D1
oklch(49.2% 0.207 279.1)
-
Step 800
800 (this color)
#433CAB
oklch(43.4% 0.171 279.3)
-
Step 900
900
#363386
oklch(37.6% 0.135 279.3)
-
Step 950
950
#1F1F4E
oklch(26.9% 0.084 279.1)
#433CAB 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) | #0051AF | 0.066 |
| Deuteranopia (no green cones) | #0048A9 | 0.060 |
| Tritanopia (no blue cones) | #00586E | 0.144 |
| Achromatopsia (no color) | #4D4D4D | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433CAB
#433CAB
oklch(43.4% 0.171 279.3)
- #5D5100
#5D5100
oklch(43.4% 0.09 99.4)
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 #433CAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.037
- Sapphire #2138AB ΔE 0.047
- Majorelle Blue #3F37C9 ΔE 0.049
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.053
- Blue Blue #2242C7 ΔE 0.059
- Blurple #5539CC ΔE 0.059
- Indigo Blue #3A18B1 ΔE 0.064
Use #433CAB 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.