#736DCB
Closest named color: Dark Periwinkle (#665FD1). oklch(58.4% 0.141 284), rgb(115, 109, 203).
Aa
Black text reads best on this color (4.77:1).
About this color
#736DCB is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.141 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.044 away. Black text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #736DCB |
| RGB | rgb(115, 109, 203) |
| HSL | hsl(244, 47%, 61%) |
| OKLCH | oklch(58.4% 0.141 284) |
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 #736DCB | 4.39:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #736DCB | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #736DCB text on white | 4.39:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #736DCB text on black | 4.77:1 | AA | Lc -31.4 | 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
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D7F0
oklch(88.6% 0.034 283.9)
-
Step 300
300
#BBBCE9
oklch(81% 0.063 283.9)
-
Step 400
400
#9998DE
oklch(70.8% 0.102 284.1)
-
Step 500
500
#817DD4
oklch(63.1% 0.129 284.2)
-
Step 600
600 (this color)
#736DCB
oklch(58.4% 0.141 284)
-
Step 700
700
#5A53A7
oklch(49.1% 0.13 284.3)
-
Step 800
800
#494487
oklch(42.6% 0.108 284.2)
-
Step 900
900
#3D3A6C
oklch(37.7% 0.084 284.3)
-
Step 950
950
#23223F
oklch(26.9% 0.053 283.8)
#736DCB 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) | #487BCE | 0.059 |
| Deuteranopia (no green cones) | #4475C9 | 0.059 |
| Tritanopia (no blue cones) | #588092 | 0.120 |
| Achromatopsia (no color) | #787878 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #736DCB
#736DCB
oklch(58.4% 0.141 284)
- #887E00
#887E00
oklch(58.4% 0.123 104)
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 #736DCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.051
- Medium Purple #9370DB ΔE 0.057
- Medium Slate Blue #7B68EE ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.060
- Iris #6258C4 ΔE 0.061
Use #736DCB 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.