#6858D0
Closest named color: Slate Blue (#6A5ACD). oklch(54.1% 0.178 284.8), rgb(104, 88, 208).
Aa
White text reads best on this color (5.39:1).
About this color
#6858D0 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.178 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.008 away. White text reads best on it, at 5.39:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #6858D0 |
| RGB | rgb(104, 88, 208) |
| HSL | hsl(248, 56%, 58%) |
| OKLCH | oklch(54.1% 0.178 284.8) |
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 #6858D0 | 5.39:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #6858D0 | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #6858D0 text on white | 5.39:1 | AA | Lc 76.5 | Fine for body text |
| #6858D0 text on black | 3.89:1 | AA large text | Lc -25.2 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9894ED
oklch(70.6% 0.128 284.7)
-
Step 500
500
#8177E7
oklch(63.1% 0.164 284.7)
-
Step 600
600 (this color)
#6858D0
oklch(54.1% 0.178 284.8)
-
Step 700
700
#5B4CB9
oklch(49.2% 0.165 284.8)
-
Step 800
800
#4A3F96
oklch(42.8% 0.137 284.7)
-
Step 900
900
#3D3677
oklch(37.6% 0.107 284.9)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#6858D0 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) | #006ED4 | 0.093 |
| Deuteranopia (no green cones) | #0067CD | 0.091 |
| Tritanopia (no blue cones) | #41748B | 0.152 |
| Achromatopsia (no color) | #6A6A6A | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6858D0
#6858D0
oklch(54.1% 0.178 284.8)
- #797200
#797200
oklch(54.1% 0.115 105.4)
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 #6858D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.008
- Light Indigo #6D5ACF ΔE 0.010
- Dark Periwinkle #665FD1 ΔE 0.016
- Iris #6258C4 ΔE 0.021
- Warm Blue #4B57DB ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.053
- Purpley #8756E4 ΔE 0.059
- Royal Blue #4169E1 ΔE 0.063
Use #6858D0 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.