#88ACBF
Closest named color: Cool Steel (#97A7B3). oklch(72.4% 0.048 231.3), rgb(136, 172, 191).
Aa
Black text reads best on this color (8.70:1).
About this color
#88ACBF is a medium-light, muted blue. In OKLCH its lightness is 72%, its chroma 0.048 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.024 away. Black text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.70:1 |
| White text | 2.41:1 |
Values
| HEX | #88ACBF |
| RGB | rgb(136, 172, 191) |
| HSL | hsl(201, 30%, 64%) |
| OKLCH | oklch(72.4% 0.048 231.3) |
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 #88ACBF | 2.41:1 | Fails | Lc -52.5 | Large or bold text, headings |
| Black text on #88ACBF | 8.70:1 | AAA | Lc 56.5 | Large or bold text, headings |
| #88ACBF text on white | 2.41:1 | Fails | Lc 47.5 | Large or bold text, headings |
| #88ACBF text on black | 8.70:1 | AAA | Lc -54.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5D1
oklch(81% 0.03 230.4)
-
Step 400
400 (this color)
#88ACBF
oklch(72.4% 0.048 231.3)
-
Step 500
500
#6391A8
oklch(63.2% 0.061 230.6)
-
Step 600
600
#487B93
oklch(55.7% 0.066 229.9)
-
Step 700
700
#39677E
oklch(49.1% 0.063 231.7)
-
Step 800
800
#305466
oklch(42.7% 0.051 231.4)
-
Step 900
900
#2B4653
oklch(37.8% 0.04 229.9)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#88ACBF 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) | #A3AAC0 | 0.035 |
| Deuteranopia (no green cones) | #9BA4BF | 0.031 |
| Tritanopia (no blue cones) | #77B1B2 | 0.034 |
| Achromatopsia (no color) | #A7A7A7 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #88ACBF
#88ACBF
oklch(72.4% 0.048 231.3)
- #BF9E8B
#BF9E8B
oklch(72.4% 0.048 51.6)
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 #88ACBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.024
- Bluegrey #85A3B2 ΔE 0.028
- Bluey Grey #89A0B0 ΔE 0.034
- Cool Grey #95A3A6 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.039
- Pewter #96A8A1 ΔE 0.043
- Dark Gray #A9A9A9 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.051
Use #88ACBF 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.