#43277B
Closest named color: Indigo (#4B0082). oklch(35.9% 0.135 293.8), rgb(67, 39, 123).
Aa
White text reads best on this color (11.57:1).
About this color
#43277B is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.135 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.053 away. White text reads best on it, at 11.57:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.81:1 |
| White text | 11.57:1 |
Values
| HEX | #43277B |
| RGB | rgb(67, 39, 123) |
| HSL | hsl(260, 52%, 32%) |
| OKLCH | oklch(35.9% 0.135 293.8) |
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 #43277B | 11.57:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #43277B | 1.81:1 | Fails | Lc 7.8 | Not readable |
| #43277B text on white | 11.57:1 | AAA | Lc 96.1 | Preferred for body text |
| #43277B text on black | 1.81:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DAD3FC
oklch(88.5% 0.056 293)
-
Step 300
300
#C4B4FC
oklch(80.9% 0.101 294.2)
-
Step 400
400
#A78AFB
oklch(70.8% 0.162 293.7)
-
Step 500
500
#9467F8
oklch(63.2% 0.207 293.9)
-
Step 600
600
#8048E7
oklch(55.7% 0.226 293.9)
-
Step 700
700
#6C37C9
oklch(49.1% 0.21 293.7)
-
Step 800
800
#5830A2
oklch(42.7% 0.173 293.9)
-
Step 900
900 (this color)
#43277B
oklch(35.9% 0.135 293.8)
-
Step 950
950
#2A1B4B
oklch(27% 0.085 294.4)
#43277B 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) | #003A7E | 0.083 |
| Deuteranopia (no green cones) | #003779 | 0.083 |
| Tritanopia (no blue cones) | #333B4D | 0.107 |
| Achromatopsia (no color) | #393939 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43277B
#43277B
oklch(35.9% 0.135 293.8)
- #3D4100
#3D4100
oklch(35.9% 0.081 113.7)
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 #43277B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.059
- Royal Purple #4B006E ΔE 0.063
- Blueberry #464196 ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.080
- Midnight Blue #191970 ΔE 0.087
- Rebecca Purple #663399 ΔE 0.089
- Chrysanthemum #560BAD ΔE 0.091
Use #43277B 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.