#888CAF
Closest named color: Silver Lake Blue (#778DA9). oklch(64.9% 0.052 279.7), rgb(136, 140, 175).
Aa
Black text reads best on this color (6.41:1).
About this color
#888CAF is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.052 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.026 away. Black text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #888CAF |
| RGB | rgb(136, 140, 175) |
| HSL | hsl(234, 20%, 61%) |
| OKLCH | oklch(64.9% 0.052 279.7) |
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 #888CAF | 3.27:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #888CAF | 6.41:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #888CAF text on white | 3.27:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #888CAF text on black | 6.41:1 | AA | Lc -41.7 | 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
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BDBFD1
oklch(80.9% 0.025 280.8)
-
Step 400
400
#9B9EBA
oklch(70.6% 0.041 280.5)
-
Step 500
500 (this color)
#888CAF
oklch(64.9% 0.052 279.7)
-
Step 600
600
#6C7095
oklch(55.6% 0.058 279.5)
-
Step 700
700
#5A5E7F
oklch(49.2% 0.053 278.9)
-
Step 800
800
#4A4D67
oklch(42.8% 0.043 279.3)
-
Step 900
900
#3E4054
oklch(37.8% 0.034 280.2)
-
Step 950
950
#242531
oklch(26.9% 0.022 281.1)
#888CAF 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) | #8390B1 | 0.012 |
| Deuteranopia (no green cones) | #818DAE | 0.010 |
| Tritanopia (no blue cones) | #7F9298 | 0.046 |
| Achromatopsia (no color) | #8E8E8E | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #888CAF
#888CAF
oklch(64.9% 0.052 279.7)
- #96906B
#96906B
oklch(64.9% 0.052 99.9)
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 #888CAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.026
- Blue Grey #758DA3 ΔE 0.033
- Cool Gray #8D99AE ΔE 0.038
- Light Slate Gray #778899 ΔE 0.043
- Heather #A484AC ΔE 0.045
- Lavender Gray #7E7F9A ΔE 0.046
- Faded Blue #658CBB ΔE 0.047
- Purpley Grey #947E94 ΔE 0.048
Use #888CAF 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.