#878EAB
Closest named color: Silver Lake Blue (#778DA9). oklch(65.1% 0.044 274.5), rgb(135, 142, 171).
Aa
Black text reads best on this color (6.48:1).
About this color
#878EAB is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.044 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.023 away. Black text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #878EAB |
| RGB | rgb(135, 142, 171) |
| HSL | hsl(228, 18%, 60%) |
| OKLCH | oklch(65.1% 0.044 274.5) |
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 #878EAB | 3.23:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #878EAB | 6.48:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #878EAB text on white | 3.23:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #878EAB text on black | 6.48:1 | AA | Lc -42.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BCC0CF
oklch(80.9% 0.021 274)
-
Step 400
400
#9A9FB7
oklch(70.6% 0.035 276.2)
-
Step 500
500 (this color)
#878EAB
oklch(65.1% 0.044 274.5)
-
Step 600
600
#6A7290
oklch(55.7% 0.048 273.1)
-
Step 700
700
#595F7A
oklch(49.1% 0.044 274.9)
-
Step 800
800
#494E64
oklch(42.8% 0.037 274.7)
-
Step 900
900
#3D4151
oklch(37.8% 0.028 274)
-
Step 950
950
#242630
oklch(27.1% 0.019 276.2)
#878EAB 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) | #8690AC | 0.005 |
| Deuteranopia (no green cones) | #848EAA | 0.005 |
| Tritanopia (no blue cones) | #7F9398 | 0.038 |
| Achromatopsia (no color) | #8F8F8F | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878EAB
#878EAB
oklch(65.1% 0.044 274.5)
- #989071
#989071
oklch(65.2% 0.045 95.3)
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 #878EAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.023
- Blue Grey #758DA3 ΔE 0.028
- Cool Gray #8D99AE ΔE 0.032
- Light Slate Gray #778899 ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.047
- Purpley Grey #947E94 ΔE 0.048
- Steel #738595 ΔE 0.049
- Heather #A484AC ΔE 0.049
Use #878EAB 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.