#3A30BD
Closest named color: Majorelle Blue (#3F37C9). oklch(42.7% 0.209 276), rgb(58, 48, 189).
Aa
White text reads best on this color (8.98:1).
About this color
#3A30BD is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.209 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Majorelle Blue (#3F37C9), ΔE 0.026 away. White text reads best on it, at 8.98:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.209) |
| Temperature | cool |
| Nearest name | Majorelle Blue (#3F37C9) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #3A30BD |
| RGB | rgb(58, 48, 189) |
| HSL | hsl(244, 59%, 46%) |
| OKLCH | oklch(42.7% 0.209 276) |
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 #3A30BD | 8.98:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #3A30BD | 2.33:1 | Fails | Lc 14.3 | Not readable |
| #3A30BD text on white | 8.98:1 | AAA | Lc 89.6 | Fine for body text |
| #3A30BD text on black | 2.33:1 | Fails | Lc -12.6 | 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
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8896FF
oklch(70.8% 0.153 276)
-
Step 500
500
#6D76FF
oklch(63% 0.2 276.2)
-
Step 600
600
#5752FF
oklch(55.7% 0.247 276.1)
-
Step 700
700
#4837EA
oklch(49.1% 0.252 276)
-
Step 800
800 (this color)
#3A30BD
oklch(42.7% 0.209 276)
-
Step 900
900
#302E95
oklch(37.7% 0.163 276)
-
Step 950
950
#1B1D57
oklch(27% 0.103 275.6)
#3A30BD 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) | #004FC1 | 0.069 |
| Deuteranopia (no green cones) | #0043BA | 0.053 |
| Tritanopia (no blue cones) | #005974 | 0.166 |
| Achromatopsia (no color) | #494949 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A30BD
#3A30BD
oklch(42.7% 0.209 276)
- #5D4E00
#5D4E00
oklch(42.6% 0.088 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 #3A30BD, closest first.
No curated palette has a color within ΔE 0.04 of #3A30BD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Majorelle Blue #3F37C9 ΔE 0.026
- Sapphire #2138AB ΔE 0.042
- Indigo Blue #3A18B1 ΔE 0.042
- Blue Blue #2242C7 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Violet Blue #510AC9 ΔE 0.052
- Blurple #5539CC ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.064
Use #3A30BD 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.