#705FBB
Closest named color: Slate Blue (#6A5ACD). oklch(54.6% 0.139 289.5), rgb(112, 95, 187).
Aa
White text reads best on this color (5.19:1).
About this color
#705FBB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.139 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.034 away. White text reads best on it, at 5.19:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #705FBB |
| RGB | rgb(112, 95, 187) |
| HSL | hsl(251, 40%, 55%) |
| OKLCH | oklch(54.6% 0.139 289.5) |
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 #705FBB | 5.19:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #705FBB | 4.04:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #705FBB text on white | 5.19:1 | AA | Lc 75.6 | Fine for body text |
| #705FBB text on black | 4.04:1 | AA large text | Lc -26.2 | Dividers and decoration only |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#BFBBE7
oklch(81% 0.062 289.1)
-
Step 400
400
#9F96DB
oklch(70.7% 0.1 289.6)
-
Step 500
500
#887BD1
oklch(63.1% 0.127 289.2)
-
Step 600
600 (this color)
#705FBB
oklch(54.6% 0.139 289.5)
-
Step 700
700
#6151A4
oklch(49.2% 0.129 289.7)
-
Step 800
800
#4F4385
oklch(42.8% 0.106 289.5)
-
Step 900
900
#41396B
oklch(37.8% 0.084 289.1)
-
Step 950
950
#26223E
oklch(27.1% 0.051 289.1)
#705FBB 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) | #3B6FBE | 0.073 |
| Deuteranopia (no green cones) | #3C6BB9 | 0.071 |
| Tritanopia (no blue cones) | #5B7284 | 0.117 |
| Achromatopsia (no color) | #6D6D6D | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #705FBB
#705FBB
oklch(54.6% 0.139 289.5)
- #767500
#767500
oklch(54.5% 0.118 109.2)
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 #705FBB, closest first.
No curated palette has a color within ΔE 0.04 of #705FBB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.034
- Iris #6258C4 ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.049
- French Blue #436BAD ΔE 0.071
- Dark Lavender #856798 ΔE 0.073
- Amethyst #9B5FC0 ΔE 0.073
Use #705FBB 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.