#A4ACCA
Closest named color: French Gray (#ADB5BD). oklch(74.8% 0.044 273.5), rgb(164, 172, 202).
Aa
Black text reads best on this color (9.33:1).
About this color
#A4ACCA is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.044 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.038 away. Black text reads best on it, at 9.33:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.33:1 |
| White text | 2.25:1 |
Values
| HEX | #A4ACCA |
| RGB | rgb(164, 172, 202) |
| HSL | hsl(227, 26%, 72%) |
| OKLCH | oklch(74.8% 0.044 273.5) |
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 #A4ACCA | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #A4ACCA | 9.33:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #A4ACCA text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #A4ACCA text on black | 9.33:1 | AAA | Lc -57.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E4
oklch(88.6% 0.015 273.8)
-
Step 300
300
#BBC0D3
oklch(81% 0.027 274)
-
Step 400
400 (this color)
#A4ACCA
oklch(74.8% 0.044 273.5)
-
Step 500
500
#7E88AC
oklch(63.2% 0.056 272.6)
-
Step 600
600
#687198
oklch(55.6% 0.062 274.2)
-
Step 700
700
#565F81
oklch(49.2% 0.056 272.8)
-
Step 800
800
#464D69
oklch(42.6% 0.047 273.4)
-
Step 900
900
#3B4055
oklch(37.6% 0.037 274.1)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#A4ACCA 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) | #A4AECB | 0.005 |
| Deuteranopia (no green cones) | #A1ABC9 | 0.005 |
| Tritanopia (no blue cones) | #9BB1B6 | 0.039 |
| Achromatopsia (no color) | #ADADAD | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4ACCA
#A4ACCA
oklch(74.8% 0.044 273.5)
- #B6AD8E
#B6AD8E
oklch(74.7% 0.044 93.7)
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 #A4ACCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.038
- Cool Steel #97A7B3 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.041
- Dark Gray #A9A9A9 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.060
Use #A4ACCA 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.