#878EBB
Closest named color: Silver Lake Blue (#778DA9). oklch(65.8% 0.067 277.5), rgb(135, 142, 187).
Aa
Black text reads best on this color (6.61:1).
About this color
#878EBB is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.067 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.036 away. Black text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #878EBB |
| RGB | rgb(135, 142, 187) |
| HSL | hsl(232, 28%, 63%) |
| OKLCH | oklch(65.8% 0.067 277.5) |
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 #878EBB | 3.17:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #878EBB | 6.61:1 | AA | Lc 45.2 | Large or bold text, headings |
| #878EBB text on white | 3.17:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #878EBB text on black | 6.61:1 | AA | Lc -42.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD6
oklch(80.9% 0.033 277.8)
-
Step 400
400
#989EC2
oklch(70.7% 0.053 277.5)
-
Step 500
500 (this color)
#878EBB
oklch(65.8% 0.067 277.5)
-
Step 600
600
#696F9E
oklch(55.6% 0.073 278.1)
-
Step 700
700
#575D87
oklch(49.1% 0.068 277.4)
-
Step 800
800
#474C6E
oklch(42.7% 0.057 277.3)
-
Step 900
900
#3C3F59
oklch(37.6% 0.045 278.9)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#878EBB 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) | #8193BD | 0.015 |
| Deuteranopia (no green cones) | #7E8FBA | 0.012 |
| Tritanopia (no blue cones) | #7A969D | 0.060 |
| Achromatopsia (no color) | #909090 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878EBB
#878EBB
oklch(65.8% 0.067 277.5)
- #9D9262
#9D9262
oklch(65.8% 0.067 96.8)
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 #878EBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.036
- Cool Gray #8D99AE ΔE 0.043
- Faded Blue #658CBB ΔE 0.045
- Blue Grey #758DA3 ΔE 0.046
- Heather #A484AC ΔE 0.049
- Light Slate Gray #778899 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.058
- Greyblue #77A1B5 ΔE 0.059
Use #878EBB 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.