#433257
Closest named color: Prussian Blue (#1D3557). oklch(35.3% 0.066 304.4), rgb(67, 50, 87).
Aa
White text reads best on this color (11.45:1).
About this color
#433257 is a dark, muted purple. In OKLCH its lightness is 35%, its chroma 0.066 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.059 away. White text reads best on it, at 11.45:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #433257 |
| RGB | rgb(67, 50, 87) |
| HSL | hsl(268, 27%, 27%) |
| OKLCH | oklch(35.3% 0.066 304.4) |
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 #433257 | 11.45:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #433257 | 1.83:1 | Fails | Lc 7.6 | Not readable |
| #433257 text on white | 11.45:1 | AAA | Lc 96.3 | Preferred for body text |
| #433257 text on black | 1.83:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C7B9DB
oklch(80.8% 0.05 304)
-
Step 400
400
#AB95C9
oklch(70.8% 0.078 303.8)
-
Step 500
500
#977ABB
oklch(63.2% 0.1 304.2)
-
Step 600
600
#8262A7
oklch(55.7% 0.109 304.5)
-
Step 700
700
#6E518F
oklch(49.2% 0.101 304.5)
-
Step 800
800
#594274
oklch(42.6% 0.084 304.2)
-
Step 900
900 (this color)
#433257
oklch(35.3% 0.066 304.4)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#433257 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) | #293958 | 0.045 |
| Deuteranopia (no green cones) | #2D3A56 | 0.042 |
| Tritanopia (no blue cones) | #403840 | 0.050 |
| Achromatopsia (no color) | #3A3A3A | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433257
#433257
oklch(35.3% 0.066 304.4)
- #344117
#344117
oklch(35.3% 0.066 124.1)
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 #433257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.060
- Onyx #343A40 ΔE 0.060
- Gunmetal #293241 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.069
- Charcoal #264653 ΔE 0.075
Use #433257 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.