#888CB0
Closest named color: Silver Lake Blue (#778DA9). oklch(65% 0.054 279.8), rgb(136, 140, 176).
Aa
Black text reads best on this color (6.42:1).
About this color
#888CB0 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.054 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.027 away. Black text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #888CB0 |
| RGB | rgb(136, 140, 176) |
| HSL | hsl(234, 20%, 61%) |
| OKLCH | oklch(65% 0.054 279.8) |
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 #888CB0 | 3.26:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #888CB0 | 6.42:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #888CB0 text on white | 3.26:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #888CB0 text on black | 6.42:1 | 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
#BDBFD2
oklch(80.9% 0.027 281)
-
Step 400
400
#9B9EBB
oklch(70.7% 0.042 280.6)
-
Step 500
500 (this color)
#888CB0
oklch(65% 0.054 279.8)
-
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
#4A4C68
oklch(42.6% 0.046 281.1)
-
Step 900
900
#3E4054
oklch(37.8% 0.034 280.2)
-
Step 950
950
#242531
oklch(26.9% 0.022 281.1)
#888CB0 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) | #8290B2 | 0.013 |
| Deuteranopia (no green cones) | #808DAF | 0.011 |
| Tritanopia (no blue cones) | #7F9298 | 0.047 |
| Achromatopsia (no color) | #8E8E8E | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #888CB0
#888CB0
oklch(65% 0.054 279.8)
- #97906A
#97906A
oklch(65% 0.054 98.9)
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 #888CB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.027
- Blue Grey #758DA3 ΔE 0.034
- Cool Gray #8D99AE ΔE 0.039
- Light Slate Gray #778899 ΔE 0.044
- Heather #A484AC ΔE 0.044
- Lavender Gray #7E7F9A ΔE 0.046
- Faded Blue #658CBB ΔE 0.047
- Purpley Grey #947E94 ΔE 0.049
Use #888CB0 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.