#691FA0
Closest named color: Rebecca Purple (#663399). oklch(42.7% 0.192 305.3), rgb(105, 31, 160).
Aa
White text reads best on this color (9.11:1).
About this color
#691FA0 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.192 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 9.11:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #691FA0 |
| RGB | rgb(105, 31, 160) |
| HSL | hsl(274, 68%, 37%) |
| OKLCH | oklch(42.7% 0.192 305.3) |
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 #691FA0 | 9.11:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #691FA0 | 2.30:1 | Fails | Lc 14.1 | Not readable |
| #691FA0 text on white | 9.11:1 | AAA | Lc 89.8 | Fine for body text |
| #691FA0 text on black | 2.30:1 | Fails | Lc -12.4 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FC
oklch(93.7% 0.032 305.3)
-
Step 200
200
#E3CFFB
oklch(88.5% 0.063 305.7)
-
Step 300
300
#D2AEFB
oklch(80.9% 0.113 305.4)
-
Step 400
400
#BB7FF8
oklch(70.7% 0.178 305.2)
-
Step 500
500
#AB56F5
oklch(63% 0.23 305.3)
-
Step 600
600
#9731E4
oklch(55.6% 0.249 305.1)
-
Step 700
700
#8120C6
oklch(49.1% 0.232 305.1)
-
Step 800
800 (this color)
#691FA0
oklch(42.7% 0.192 305.3)
-
Step 900
900
#55227F
oklch(37.7% 0.15 305.3)
-
Step 950
950
#32164A
oklch(27% 0.094 305.8)
#691FA0 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) | #0046A3 | 0.142 |
| Deuteranopia (no green cones) | #00489D | 0.144 |
| Tritanopia (no blue cones) | #5F4160 | 0.135 |
| Achromatopsia (no color) | #484848 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #691FA0
#691FA0
oklch(42.7% 0.192 305.3)
- #415900
#415900
oklch(42.8% 0.109 125.6)
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 #691FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Grape #7209B7 ΔE 0.041
- Chrysanthemum #560BAD ΔE 0.052
- Imperial Purple #480CA8 ΔE 0.076
- Purple #800080 ΔE 0.077
- Dark Magenta #8B008B ΔE 0.083
- Purple Blue #5D21D0 ΔE 0.084
- Dark Slate Blue #483D8B ΔE 0.086
Use #691FA0 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.