#878EEF
Closest named color: Perrywinkle (#8F8CE7). oklch(68.3% 0.142 278.8), rgb(135, 142, 239).
Aa
Black text reads best on this color (7.14:1).
About this color
#878EEF is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.142 and its hue 279°. 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 7.14:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.14:1 |
| White text | 2.93:1 |
Values
| HEX | #878EEF |
| RGB | rgb(135, 142, 239) |
| HSL | hsl(236, 76%, 73%) |
| OKLCH | oklch(68.3% 0.142 278.8) |
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 #878EEF | 2.93:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #878EEF | 7.14:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #878EEF text on white | 2.93:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #878EEF text on black | 7.14:1 | AAA | Lc -46.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
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
#B4BBFA
oklch(80.9% 0.089 279.3)
-
Step 400
400 (this color)
#878EEF
oklch(68.3% 0.142 278.8)
-
Step 500
500
#7578F4
oklch(63.2% 0.182 278.8)
-
Step 600
600
#605DE2
oklch(55.6% 0.196 278.9)
-
Step 700
700
#504BC5
oklch(49.1% 0.184 279)
-
Step 800
800
#413F9F
oklch(42.8% 0.151 278.8)
-
Step 900
900
#36377E
oklch(37.8% 0.117 278.6)
-
Step 950
950
#1F214A
oklch(27.1% 0.075 278.1)
#878EEF 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) | #6A9BF3 | 0.044 |
| Deuteranopia (no green cones) | #6393ED | 0.044 |
| Tritanopia (no blue cones) | #65A2B3 | 0.125 |
| Achromatopsia (no color) | #979797 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878EEF
#878EEF
oklch(68.3% 0.142 278.8)
- #B09900
#B09900
oklch(68.3% 0.141 98.4)
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 #878EEF, 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 0.022
- Periwinkle Blue #8F99FB ΔE 0.033
- Periwinkle #8E82FE ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.044
- Soft Blue #6488EA ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.067
- Cornflower #6A79F7 ΔE 0.072
Use #878EEF 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.