#878CFB
Closest named color: Lavender Blue (#8B88F8). oklch(68.6% 0.161 279.3), rgb(135, 140, 251).
Aa
Black text reads best on this color (7.17:1).
About this color
#878CFB is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.161 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.011 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #878CFB |
| RGB | rgb(135, 140, 251) |
| HSL | hsl(237, 94%, 76%) |
| OKLCH | oklch(68.6% 0.161 279.3) |
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 #878CFB | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #878CFB | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #878CFB text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #878CFB text on black | 7.17:1 | AAA | Lc -46.3 | 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
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D1D6FE
oklch(88.5% 0.055 279.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400 (this color)
#878CFB
oklch(68.6% 0.161 279.3)
-
Step 500
500
#7573FF
oklch(63% 0.202 279.5)
-
Step 600
600
#6055F1
oklch(55.5% 0.225 279.3)
-
Step 700
700
#5044D2
oklch(49.1% 0.209 279.2)
-
Step 800
800
#4139A9
oklch(42.6% 0.172 279.3)
-
Step 900
900
#363386
oklch(37.6% 0.135 279.3)
-
Step 950
950
#1F1F4E
oklch(26.9% 0.084 279.1)
#878CFB 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) | #5F9BFF | 0.054 |
| Deuteranopia (no green cones) | #5793F9 | 0.056 |
| Tritanopia (no blue cones) | #5EA3B7 | 0.141 |
| Achromatopsia (no color) | #979797 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878CFB
#878CFB
oklch(68.6% 0.161 279.3)
- #B09B00
#B09B00
oklch(68.7% 0.143 99.6)
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 #878CFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.011
- Periwinkle #8E82FE ΔE 0.026
- Perrywinkle #8F8CE7 ΔE 0.031
- Periwinkle Blue #8F99FB ΔE 0.036
- Cornflower Blue #6495ED ΔE 0.052
- Soft Blue #6488EA ΔE 0.053
- Cornflower #6A79F7 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.073
Use #878CFB 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.