#736ECB
Closest named color: Dark Periwinkle (#665FD1). oklch(58.6% 0.139 283.7), rgb(115, 110, 203).
Aa
Black text reads best on this color (4.82:1).
About this color
#736ECB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 59%, its chroma 0.139 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.046 away. Black text reads best on it, at 4.82:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #736ECB |
| RGB | rgb(115, 110, 203) |
| HSL | hsl(243, 47%, 61%) |
| OKLCH | oklch(58.6% 0.139 283.7) |
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 #736ECB | 4.35:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #736ECB | 4.82:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #736ECB text on white | 4.35:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #736ECB text on black | 4.82:1 | AA | Lc -31.6 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D6D7F0
oklch(88.6% 0.034 283.9)
-
Step 300
300
#BBBCE9
oklch(81% 0.063 283.9)
-
Step 400
400
#9898DD
oklch(70.6% 0.1 283.5)
-
Step 500
500
#807DD4
oklch(63% 0.129 283.6)
-
Step 600
600 (this color)
#736ECB
oklch(58.6% 0.139 283.7)
-
Step 700
700
#5953A7
oklch(49.1% 0.131 283.7)
-
Step 800
800
#494587
oklch(42.8% 0.107 283.7)
-
Step 900
900
#3C3A6C
oklch(37.6% 0.084 283.4)
-
Step 950
950
#23223F
oklch(26.9% 0.053 283.8)
#736ECB 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) | #4A7CCE | 0.057 |
| Deuteranopia (no green cones) | #4676C9 | 0.057 |
| Tritanopia (no blue cones) | #588193 | 0.119 |
| Achromatopsia (no color) | #797979 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #736ECB
#736ECB
oklch(58.6% 0.139 283.7)
- #897F00
#897F00
oklch(58.7% 0.124 104)
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 #736ECB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.053
- Medium Purple #9370DB ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.058
- Deep Lavender #8D5EB7 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Iris #6258C4 ΔE 0.063
Use #736ECB 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.