#878AFF
Closest named color: Lavender Blue (#8B88F8). oklch(68.5% 0.169 279.8), rgb(135, 138, 255).
Aa
Black text reads best on this color (7.10:1).
About this color
#878AFF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.169 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.012 away. Black text reads best on it, at 7.10:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #878AFF |
| RGB | rgb(135, 138, 255) |
| HSL | hsl(239, 100%, 76%) |
| OKLCH | oklch(68.5% 0.169 279.8) |
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 #878AFF | 2.95:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #878AFF | 7.10:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #878AFF text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #878AFF text on black | 7.10:1 | AAA | Lc -45.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D1D6FF
oklch(88.5% 0.057 279.7)
-
Step 300
300
#B4BAFF
oklch(80.9% 0.098 280.1)
-
Step 400
400 (this color)
#878AFF
oklch(68.5% 0.169 279.8)
-
Step 500
500
#7673FF
oklch(63.1% 0.202 279.9)
-
Step 600
600
#6152F7
oklch(55.7% 0.235 279.6)
-
Step 700
700
#5140D7
oklch(49.1% 0.219 279.7)
-
Step 800
800
#4237AE
oklch(42.8% 0.181 279.6)
-
Step 900
900
#373289
oklch(37.8% 0.14 279.9)
-
Step 950
950
#201E50
oklch(27% 0.089 280.4)
#878AFF 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) | #599BFF | 0.062 |
| Deuteranopia (no green cones) | #5092FC | 0.063 |
| Tritanopia (no blue cones) | #5CA3B8 | 0.148 |
| Achromatopsia (no color) | #969696 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878AFF
#878AFF
oklch(68.5% 0.169 279.8)
- #AF9A00
#AF9A00
oklch(68.4% 0.142 99.5)
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 #878AFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.012
- Periwinkle #8E82FE ΔE 0.020
- Perrywinkle #8F8CE7 ΔE 0.039
- Periwinkle Blue #8F99FB ΔE 0.042
- Soft Blue #6488EA ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.058
- Cornflower #6A79F7 ΔE 0.061
- Medium Purple #9370DB ΔE 0.076
Use #878AFF 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.