#878FEE
Closest named color: Perrywinkle (#8F8CE7). oklch(68.4% 0.139 278.4), rgb(135, 143, 238).
Aa
Black text reads best on this color (7.19:1).
About this color
#878FEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.139 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.015 away. Black text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.19:1 |
| White text | 2.91:1 |
Values
| HEX | #878FEE |
| RGB | rgb(135, 143, 238) |
| HSL | hsl(235, 75%, 73%) |
| OKLCH | oklch(68.4% 0.139 278.4) |
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 #878FEE | 2.91:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #878FEE | 7.19:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #878FEE text on white | 2.91:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #878FEE text on black | 7.19:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B3BBF9
oklch(80.8% 0.088 278.5)
-
Step 400
400 (this color)
#878FEE
oklch(68.4% 0.139 278.4)
-
Step 500
500
#7479F2
oklch(63.2% 0.178 278.2)
-
Step 600
600
#5F5EE0
oklch(55.6% 0.193 278.4)
-
Step 700
700
#4F4CC3
oklch(49.1% 0.18 278.5)
-
Step 800
800
#403F9E
oklch(42.6% 0.15 278.4)
-
Step 900
900
#36377D
oklch(37.7% 0.116 278.7)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#878FEE 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) | #6C9BF2 | 0.041 |
| Deuteranopia (no green cones) | #6593EC | 0.041 |
| Tritanopia (no blue cones) | #65A2B3 | 0.122 |
| Achromatopsia (no color) | #979797 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878FEE
#878FEE
oklch(68.4% 0.139 278.4)
- #B09A0C
#B09A0C
oklch(68.5% 0.14 98.8)
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 #878FEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.015
- Lavender Blue #8B88F8 ΔE 0.025
- Periwinkle Blue #8F99FB ΔE 0.032
- Cornflower Blue #6495ED ΔE 0.043
- Periwinkle #8E82FE ΔE 0.044
- Soft Blue #6488EA ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.067
- Cornflower #6A79F7 ΔE 0.074
Use #878FEE 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.